257469627052 has 12 divisors (see below), whose sum is σ = 491532924456. Its totient is φ = 117031648640.

The previous prime is 257469627049. The next prime is 257469627091. The reversal of 257469627052 is 250726964752.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 257469626984 and 257469627002.

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, 2925791173 + ... + 2925791260.

It is an arithmetic number, because the mean of its divisors is an integer number (40961077038).

Almost surely, 2^257469627052 is an apocalyptic number.

257469627052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

257469627052 is a deficient number, since it is larger than the sum of its proper divisors (234063297404).

257469627052 is a wasteful number, since it uses less digits than its factorization.

257469627052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851582448 (or 5851582446 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 257469627052 in words is "two hundred fifty-seven billion, four hundred sixty-nine million, six hundred twenty-seven thousand, fifty-two".