56871802407408 has 240 divisors, whose sum is σ = 151102890090720. Its totient is φ = 18431997050880.

The previous prime is 56871802407359. The next prime is 56871802407457. The reversal of 56871802407408 is 80470420817865.

It is an interprime number because it is at equal distance from previous prime (56871802407359) and next prime (56871802407457).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56364521208 + ... + 56364522216.

It is an arithmetic number, because the mean of its divisors is an integer number (629595375378).

Almost surely, 2^{56871802407408} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56871802407408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75551445045360).

56871802407408 is an abundant number, since it is smaller than the sum of its proper divisors (94231087683312).

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

56871802407408 is a wasteful number, since it uses less digits than its factorization.

56871802407408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788 (or 2741 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 60.

The spelling of 56871802407408 in words is "fifty-six trillion, eight hundred seventy-one billion, eight hundred two million, four hundred seven thousand, four hundred eight".