257057547744752 has 20 divisors (see below), whose sum is σ = 498202197563976. Its totient is φ = 128489238696000.

The previous prime is 257057547744749. The next prime is 257057547744839. The reversal of 257057547744752 is 257447745750752.

It is a congruent number.

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, 2470894883 + ... + 2470998914.

Almost surely, 2^{257057547744752} is an apocalyptic number.

It is an amenable number.

257057547744752 is a deficient number, since it is larger than the sum of its proper divisors (241144649819224).

257057547744752 is a wasteful number, since it uses less digits than its factorization.

257057547744752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941897056 (or 4941897050 counting only the distinct ones).

The product of its (nonzero) digits is 2689120000, while the sum is 71.

The spelling of 257057547744752 in words is "two hundred fifty-seven trillion, fifty-seven billion, five hundred forty-seven million, seven hundred forty-four thousand, seven hundred fifty-two".