52320880944 has 90 divisors (see below), whose sum is σ = 154167674180. Its totient is φ = 16518605184.

The previous prime is 52320880889. The next prime is 52320880973. The reversal of 52320880944 is 44908802325.

52320880944 is a `hidden beast` number, since 523 + 2 + 0 + 8 + 80 + 9 + 44 = 666.

It is a super-2 number, since 2×52320880944² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52320880944.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11962342 + ... + 11966714.

Almost surely, 2^52320880944 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 52320880944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77083837090).

52320880944 is an abundant number, since it is smaller than the sum of its proper divisors (101846793236).

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

52320880944 is an equidigital number, since it uses as much as digits as its factorization.

52320880944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8779 (or 4397 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 52320880944 in words is "fifty-two billion, three hundred twenty million, eight hundred eighty thousand, nine hundred forty-four".