257456025272 has 32 divisors (see below), whose sum is σ = 483431844720. Its totient is φ = 128541012480.

The previous prime is 257456025227. The next prime is 257456025347. The reversal of 257456025272 is 272520654752.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 16811843 + ... + 16827149.

Almost surely, 2^257456025272 is an apocalyptic number.

It is an amenable number.

257456025272 is a deficient number, since it is larger than the sum of its proper divisors (225975819448).

257456025272 is a wasteful number, since it uses less digits than its factorization.

257456025272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18231 (or 18227 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 47.

The spelling of 257456025272 in words is "two hundred fifty-seven billion, four hundred fifty-six million, twenty-five thousand, two hundred seventy-two".