257040752 has 10 divisors (see below), whose sum is σ = 498016488. Its totient is φ = 128520368.

The previous prime is 257040701. The next prime is 257040781.

257040752 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8032508 + ... + 8032539.

Almost surely, 2^257040752 is an apocalyptic number.

It is an amenable number.

257040752 is a deficient number, since it is larger than the sum of its proper divisors (240975736).

257040752 is a wasteful number, since it uses less digits than its factorization.

257040752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16065055 (or 16065049 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 257040752 is about 16032.4905114583. The cubic root of 257040752 is about 635.8197213282.

The spelling of 257040752 in words is "two hundred fifty-seven million, forty thousand, seven hundred fifty-two".