257492813984 has 48 divisors (see below), whose sum is σ = 581078167488. Its totient is φ = 110026570752.

The previous prime is 257492813969. The next prime is 257492814001. The reversal of 257492813984 is 489318294752.

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, 1630034 + ... + 1781009.

It is an arithmetic number, because the mean of its divisors is an integer number (12105795156).

Almost surely, 2^257492813984 is an apocalyptic number.

It is an amenable number.

257492813984 is an abundant number, since it is smaller than the sum of its proper divisors (323585353504).

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

257492813984 is a wasteful number, since it uses less digits than its factorization.

257492813984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411397 (or 3411389 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 62.

The spelling of 257492813984 in words is "two hundred fifty-seven billion, four hundred ninety-two million, eight hundred thirteen thousand, nine hundred eighty-four".