257050325365456 has 40 divisors (see below), whose sum is σ = 569183747222144. Its totient is φ = 110164254076800.

The previous prime is 257050325365453. The next prime is 257050325365513. The reversal of 257050325365456 is 654563523050752.

It is a self number, because there is not a number n which added to its sum of digits gives 257050325365456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257050325365453) 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, 93124381 + ... + 95844931.

Almost surely, 2^{257050325365456} is an apocalyptic number.

It is an amenable number.

257050325365456 is an abundant number, since it is smaller than the sum of its proper divisors (312133421856688).

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

257050325365456 is a wasteful number, since it uses less digits than its factorization.

257050325365456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564179 (or 3564173 counting only the distinct ones).

The product of its (nonzero) digits is 113400000, while the sum is 58.

The spelling of 257050325365456 in words is "two hundred fifty-seven trillion, fifty billion, three hundred twenty-five million, three hundred sixty-five thousand, four hundred fifty-six".