1 Kings 4:26American Standard Version

Genesis 5:13

and Kenan lived after he begat Mahalalel 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 thing that I have made will I destroy from off the face of the ground.

Genesis 7:12

And the rain was upon the earth forty days and forty nights.

Genesis 7:17

And the flood was forty days upon the earth; and the waters increased, and bare up the ark, and it was lifted up above the earth.

Genesis 8:6

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