40656104634625 has 16 divisors (see below), whose sum is σ = 50739200974800. Its totient is φ = 32524638585600.

The previous prime is 40656104634619. The next prime is 40656104634647. The reversal of 40656104634625 is 52643640165604.

It can be written as a sum of positive squares in 8 ways, for example, as 47450344561 + 40608654290064 = 217831^2 + 6372492^2 .

It is not a de Polignac number, because 40656104634625 - 2³³ = 40647514700033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16441401 + ... + 18751849.

It is an arithmetic number, because the mean of its divisors is an integer number (3171200060925).

Almost surely, 2^{40656104634625} is an apocalyptic number.

It is an amenable number.

40656104634625 is a deficient number, since it is larger than the sum of its proper divisors (10083096340175).

40656104634625 is a wasteful number, since it uses less digits than its factorization.

40656104634625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451237 (or 2451227 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 40656104634625 in words is "forty trillion, six hundred fifty-six billion, one hundred four million, six hundred thirty-four thousand, six hundred twenty-five".