45250021256 has 16 divisors (see below), whose sum is σ = 92556861840. Its totient is φ = 20568191440.

The previous prime is 45250021249. The next prime is 45250021261. The reversal of 45250021256 is 65212005254.

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, 257102306 + ... + 257102481.

It is an arithmetic number, because the mean of its divisors is an integer number (5784803865).

Almost surely, 2^45250021256 is an apocalyptic number.

It is an amenable number.

45250021256 is an abundant number, since it is smaller than the sum of its proper divisors (47306840584).

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

45250021256 is a wasteful number, since it uses less digits than its factorization.

45250021256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514204804 (or 514204800 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 45250021256 in words is "forty-five billion, two hundred fifty million, twenty-one thousand, two hundred fifty-six".