257478060404 has 24 divisors (see below), whose sum is σ = 466157664000. Its totient is φ = 124308656640.

The previous prime is 257478060401. The next prime is 257478060409. The reversal of 257478060404 is 404060874752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257478060401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2256614 + ... + 2367965.

It is an arithmetic number, because the mean of its divisors is an integer number (19423236000).

Almost surely, 2^257478060404 is an apocalyptic number.

It is an amenable number.

257478060404 is a deficient number, since it is larger than the sum of its proper divisors (208679603596).

257478060404 is a wasteful number, since it uses less digits than its factorization.

257478060404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625063 (or 4625061 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 257478060404 in words is "two hundred fifty-seven billion, four hundred seventy-eight million, sixty thousand, four hundred four".