257350127256 has 48 divisors (see below), whose sum is σ = 697015246200. Its totient is φ = 85780259712.

The previous prime is 257350127233. The next prime is 257350127327. The reversal of 257350127256 is 652721053752.

257350127256 is a `hidden beast` number, since 2 + 5 + 73 + 501 + 2 + 72 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2807460 + ... + 2897676.

Almost surely, 2^257350127256 is an apocalyptic number.

It is an amenable number.

257350127256 is an abundant number, since it is smaller than the sum of its proper divisors (439665118944).

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

257350127256 is a wasteful number, since it uses less digits than its factorization.

257350127256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129848 (or 129841 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 257350127256 in words is "two hundred fifty-seven billion, three hundred fifty million, one hundred twenty-seven thousand, two hundred fifty-six".