Forty in Hebrew English אַרְבָּעִים

Genesis 5:13
And Cainan lived after he begat Mahalaleel eight hundred and forty years, and begat sons and daughters:

Genesis 7:4
For yet seven days, and I will cause it to rain upon the earth forty days and forty nights; and every living substance that I have made will I destroy from off the face of the earth.

Genesis 7:4
And the rain was upon the earth forty days and forty nights.

Genesis 7:12
And the flood was forty days upon the earth; and the waters increased, and bare up the ark, and it was lift up above the earth.

Genesis 7:12
And it came to pass at the end of forty days, that Noah opened the window of the ark which he had made:

Genesis 7:17
Peradventure there shall lack five of the fifty righteous: wilt thou destroy all the city for lack of five? And he said, If I find there forty and five, I will not destroy it.

Genesis 8:6
And he spake unto him yet again, and said, Peradventure there shall be forty found there. And he said, I will not do it for forty’s sake.

Occurences : 136