2528076564456 has 32 divisors (see below), whose sum is σ = 6320298089760. Its totient is φ = 842677964352.

The previous prime is 2528076564379. The next prime is 2528076564523. The reversal of 2528076564456 is 6544656708252.

It is a super-2 number, since 2×2528076564456² (a number of 26 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 2528076564456.

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, 614406 + ... + 2331018.

It is an arithmetic number, because the mean of its divisors is an integer number (197509315305).

Almost surely, 2^{2528076564456} is an apocalyptic number.

It is an amenable number.

2528076564456 is an abundant number, since it is smaller than the sum of its proper divisors (3792221525304).

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

2528076564456 is a wasteful number, since it uses less digits than its factorization.

2528076564456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777985 (or 1777981 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 60.

The spelling of 2528076564456 in words is "two trillion, five hundred twenty-eight billion, seventy-six million, five hundred sixty-four thousand, four hundred fifty-six".