28526582304 has 72 divisors (see below), whose sum is σ = 88497248112. Its totient is φ = 8644417920.

The previous prime is 28526582297. The next prime is 28526582317. The reversal of 28526582304 is 40328562582.

28526582304 is a `hidden beast` number, since 2 + 8 + 5 + 265 + 82 + 304 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 28526582304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4499134 + ... + 4505469.

It is an arithmetic number, because the mean of its divisors is an integer number (1229128446).

Almost surely, 2^28526582304 is an apocalyptic number.

28526582304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28526582304 is an abundant number, since it is smaller than the sum of its proper divisors (59970665808).

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

28526582304 is a wasteful number, since it uses less digits than its factorization.

28526582304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9004630 (or 9004619 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 28526582304 in words is "twenty-eight billion, five hundred twenty-six million, five hundred eighty-two thousand, three hundred four".