257400025676 has 12 divisors (see below), whose sum is σ = 457173180408. Its totient is φ = 126779116992.

The previous prime is 257400025669. The next prime is 257400025681. The reversal of 257400025676 is 676520004752.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480223661 + ... + 480224196.

It is an arithmetic number, because the mean of its divisors is an integer number (38097765034).

Almost surely, 2^257400025676 is an apocalyptic number.

It is an amenable number.

257400025676 is a deficient number, since it is larger than the sum of its proper divisors (199773154732).

257400025676 is a wasteful number, since it uses less digits than its factorization.

257400025676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960447928 (or 960447926 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 257400025676 in words is "two hundred fifty-seven billion, four hundred million, twenty-five thousand, six hundred seventy-six".