40461320664604 has 24 divisors (see below), whose sum is σ = 82249242010208. Its totient is φ = 17056294424640.

The previous prime is 40461320664559. The next prime is 40461320664613. The reversal of 40461320664604 is 40646602316404.

It is a congruent number.

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, 11844647199 + ... + 11844650614.

Almost surely, 2^{40461320664604} is an apocalyptic number.

It is an amenable number.

40461320664604 is an abundant number, since it is smaller than the sum of its proper divisors (41787921345604).

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

40461320664604 is a wasteful number, since it uses less digits than its factorization.

40461320664604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23689297885 (or 23689297883 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 40461320664604 in words is "forty trillion, four hundred sixty-one billion, three hundred twenty million, six hundred sixty-four thousand, six hundred four".