257057512424292 has 12 divisors (see below), whose sum is σ = 599800862323376. Its totient is φ = 85685837474760.

The previous prime is 257057512424291. The next prime is 257057512424329. The reversal of 257057512424292 is 292424215750752.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (257057512424291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10710729684334 + ... + 10710729684357.

Almost surely, 2^{257057512424292} is an apocalyptic number.

It is an amenable number.

257057512424292 is an abundant number, since it is smaller than the sum of its proper divisors (342743349899084).

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

257057512424292 is a wasteful number, since it uses less digits than its factorization.

257057512424292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21421459368698 (or 21421459368696 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 57.

The spelling of 257057512424292 in words is "two hundred fifty-seven trillion, fifty-seven billion, five hundred twelve million, four hundred twenty-four thousand, two hundred ninety-two".