257290754372 has 12 divisors (see below), whose sum is σ = 450262686720. Its totient is φ = 128644272456.

The previous prime is 257290754353. The next prime is 257290754393. The reversal of 257290754372 is 273457092752.

It is a super-2 number, since 2×257290754372² (a number of 24 digits) contains 22 as substring.

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, 474629 + ... + 860147.

It is an arithmetic number, because the mean of its divisors is an integer number (37521890560).

Almost surely, 2^257290754372 is an apocalyptic number.

It is an amenable number.

257290754372 is a deficient number, since it is larger than the sum of its proper divisors (192971932348).

257290754372 is a wasteful number, since it uses less digits than its factorization.

257290754372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552370 (or 552368 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 257290754372 in words is "two hundred fifty-seven billion, two hundred ninety million, seven hundred fifty-four thousand, three hundred seventy-two".