257472769914 has 48 divisors (see below), whose sum is σ = 559167152544. Its totient is φ = 85622983200.

The previous prime is 257472769909. The next prime is 257472769949. The reversal of 257472769914 is 419967274752.

257472769914 is a `hidden beast` number, since 2 + 5 + 7 + 472 + 76 + 9 + 91 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19840332 + ... + 19853304.

It is an arithmetic number, because the mean of its divisors is an integer number (11649315678).

Almost surely, 2^257472769914 is an apocalyptic number.

257472769914 is an abundant number, since it is smaller than the sum of its proper divisors (301694382630).

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

257472769914 is a wasteful number, since it uses less digits than its factorization.

257472769914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15483 (or 15480 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 63.

The spelling of 257472769914 in words is "two hundred fifty-seven billion, four hundred seventy-two million, seven hundred sixty-nine thousand, nine hundred fourteen".