257013134334 has 48 divisors (see below), whose sum is σ = 607600880640. Its totient is φ = 77867987280.

The previous prime is 257013134327. The next prime is 257013134363. The reversal of 257013134334 is 433431310752.

257013134334 is a `hidden beast` number, since 2 + 5 + 7 + 0 + 1 + 313 + 4 + 334 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 946147 + ... + 1187105.

It is an arithmetic number, because the mean of its divisors is an integer number (12658351680).

Almost surely, 2^257013134334 is an apocalyptic number.

257013134334 is an abundant number, since it is smaller than the sum of its proper divisors (350587746306).

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

257013134334 is a wasteful number, since it uses less digits than its factorization.

257013134334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246365 (or 246362 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 257013134334 in words is "two hundred fifty-seven billion, thirteen million, one hundred thirty-four thousand, three hundred thirty-four".