28024705056 has 24 divisors (see below), whose sum is σ = 73564851024. Its totient is φ = 9341568320.

The previous prime is 28024705039. The next prime is 28024705069. The reversal of 28024705056 is 65050742082.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145961910 + ... + 145962101.

It is an arithmetic number, because the mean of its divisors is an integer number (3065202126).

Almost surely, 2^28024705056 is an apocalyptic number.

It is an amenable number.

28024705056 is an abundant number, since it is smaller than the sum of its proper divisors (45540145968).

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

28024705056 is a wasteful number, since it uses less digits than its factorization.

28024705056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291924024 (or 291924016 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 28024705056 in words is "twenty-eight billion, twenty-four million, seven hundred five thousand, fifty-six".