257041856976 has 40 divisors (see below), whose sum is σ = 692895443520. Its totient is φ = 81955374336.

The previous prime is 257041856971. The next prime is 257041857001. The reversal of 257041856976 is 679658140752.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257041856971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116412781 + ... + 116414988.

It is an arithmetic number, because the mean of its divisors is an integer number (17322386088).

Almost surely, 2^257041856976 is an apocalyptic number.

It is an amenable number.

257041856976 is an abundant number, since it is smaller than the sum of its proper divisors (435853586544).

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

257041856976 is a wasteful number, since it uses less digits than its factorization.

257041856976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232827803 (or 232827797 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 257041856976 in words is "two hundred fifty-seven billion, forty-one million, eight hundred fifty-six thousand, nine hundred seventy-six".