40697979722 has 16 divisors (see below), whose sum is σ = 61919380800. Its totient is φ = 20058302880.

The previous prime is 40697979709. The next prime is 40697979781. The reversal of 40697979722 is 22797979604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743054 + ... + 795942.

It is an arithmetic number, because the mean of its divisors is an integer number (3869961300).

Almost surely, 2^40697979722 is an apocalyptic number.

40697979722 is a deficient number, since it is larger than the sum of its proper divisors (21221401078).

40697979722 is a wasteful number, since it uses less digits than its factorization.

40697979722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58381.

The product of its (nonzero) digits is 24004512, while the sum is 62.

The spelling of 40697979722 in words is "forty billion, six hundred ninety-seven million, nine hundred seventy-nine thousand, seven hundred twenty-two".