40096979394 has 16 divisors (see below), whose sum is σ = 80196145632. Its totient is φ = 13365295328.

The previous prime is 40096979389. The next prime is 40096979401. The reversal of 40096979394 is 49397969004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239557 + ... + 370919.

It is an arithmetic number, because the mean of its divisors is an integer number (5012259102).

Almost surely, 2^40096979394 is an apocalyptic number.

40096979394 is an abundant number, since it is smaller than the sum of its proper divisors (40099166238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40096979394 is a wasteful number, since it uses less digits than its factorization.

40096979394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182241.

The product of its (nonzero) digits is 13226976, while the sum is 60.

The spelling of 40096979394 in words is "forty billion, ninety-six million, nine hundred seventy-nine thousand, three hundred ninety-four".