40890722696 has 8 divisors (see below), whose sum is σ = 76670105070. Its totient is φ = 20445361344.

The previous prime is 40890722633. The next prime is 40890722711. The reversal of 40890722696 is 69622709804.

It can be written as a sum of positive squares in only one way, i.e., 40890501796 + 220900 = 202214^2 + 470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555670161 + ... + 2555670176.

Almost surely, 2^40890722696 is an apocalyptic number.

It is an amenable number.

40890722696 is a deficient number, since it is larger than the sum of its proper divisors (35779382374).

40890722696 is a wasteful number, since it uses less digits than its factorization.

40890722696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111340343 (or 5111340339 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 40890722696 in words is "forty billion, eight hundred ninety million, seven hundred twenty-two thousand, six hundred ninety-six".