257555182362368 has 72 divisors (see below), whose sum is σ = 573883858644096. Its totient is φ = 114347966745600.

The previous prime is 257555182362353. The next prime is 257555182362427. The reversal of 257555182362368 is 863263281555752.

It is a junction number, because it is equal to n+sod(n) for n = 257555182362298 and 257555182362307.

It is a congruent number.

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, 1063383068 + ... + 1063625243.

Almost surely, 2^{257555182362368} is an apocalyptic number.

It is an amenable number.

257555182362368 is an abundant number, since it is smaller than the sum of its proper divisors (316328676281728).

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

257555182362368 is a wasteful number, since it uses less digits than its factorization.

257555182362368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127008381 (or 2127008367 counting only the distinct ones).

The product of its digits is 725760000, while the sum is 68.

The spelling of 257555182362368 in words is "two hundred fifty-seven trillion, five hundred fifty-five billion, one hundred eighty-two million, three hundred sixty-two thousand, three hundred sixty-eight".