56456023040508 has 144 divisors (see below), whose sum is σ = 163034356697856. Its totient is φ = 14888275384320.

The previous prime is 56456023040441. The next prime is 56456023040513. The reversal of 56456023040508 is 80504032065465.

It is a super-2 number, since 2×56456023040508² (a number of 28 digits) contains 22 as substring.

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, 179294335 + ... + 179608937.

It is an arithmetic number, because the mean of its divisors is an integer number (1132183032624).

Almost surely, 2^{56456023040508} 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 56456023040508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81517178348928).

56456023040508 is an abundant number, since it is smaller than the sum of its proper divisors (106578333657348).

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

56456023040508 is a wasteful number, since it uses less digits than its factorization.

56456023040508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327284 (or 327269 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 56456023040508 in words is "fifty-six trillion, four hundred fifty-six billion, twenty-three million, forty thousand, five hundred eight".