257835468 has 24 divisors (see below), whose sum is σ = 656308800. Its totient is φ = 78131920.

The previous prime is 257835449. The next prime is 257835503. The reversal of 257835468 is 864538752.

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, 976518 + ... + 976781.

It is an arithmetic number, because the mean of its divisors is an integer number (27346200).

Almost surely, 2^257835468 is an apocalyptic number.

It is an amenable number.

257835468 is an abundant number, since it is smaller than the sum of its proper divisors (398473332).

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

257835468 is a wasteful number, since it uses less digits than its factorization.

257835468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953317 (or 1953315 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The square root of 257835468 is about 16057.2559299527. The cubic root of 257835468 is about 636.4743208264.

The spelling of 257835468 in words is "two hundred fifty-seven million, eight hundred thirty-five thousand, four hundred sixty-eight".