56477142625840 has 40 divisors (see below), whose sum is σ = 133158784176288. Its totient is φ = 22272675962880.

The previous prime is 56477142625829. The next prime is 56477142625853. The reversal of 56477142625840 is 4852624177465.

It is a tau number, because it is divible by the number of its divisors (40).

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, 4971573777 + ... + 4971585136.

Almost surely, 2^{56477142625840} is an apocalyptic number.

It is an amenable number.

56477142625840 is an abundant number, since it is smaller than the sum of its proper divisors (76681641550448).

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

56477142625840 is a wasteful number, since it uses less digits than its factorization.

56477142625840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943158997 (or 9943158991 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 61.

The spelling of 56477142625840 in words is "fifty-six trillion, four hundred seventy-seven billion, one hundred forty-two million, six hundred twenty-five thousand, eight hundred forty".