28026625256 has 24 divisors (see below), whose sum is σ = 61129502370. Its totient is φ = 12011410656.

The previous prime is 28026625247. The next prime is 28026625261. The reversal of 28026625256 is 65252662082.

It can be written as a sum of positive squares in only one way, i.e., 27685632100 + 340993156 = 166390^2 + 18466^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35747855 + ... + 35748638.

Almost surely, 2^28026625256 is an apocalyptic number.

It is an amenable number.

28026625256 is an abundant number, since it is smaller than the sum of its proper divisors (33102877114).

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

28026625256 is a wasteful number, since it uses less digits than its factorization.

28026625256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71496513 (or 71496502 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 28026625256 in words is "twenty-eight billion, twenty-six million, six hundred twenty-five thousand, two hundred fifty-six".