257333426404 has 48 divisors (see below), whose sum is σ = 464776704000. Its totient is φ = 124613064576.

The previous prime is 257333426387. The next prime is 257333426521. The reversal of 257333426404 is 404624333752.

It is a happy number.

257333426404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5333862 + ... + 5381890.

It is an arithmetic number, because the mean of its divisors is an integer number (9682848000).

Almost surely, 2^257333426404 is an apocalyptic number.

It is an amenable number.

257333426404 is a deficient number, since it is larger than the sum of its proper divisors (207443277596).

257333426404 is a wasteful number, since it uses less digits than its factorization.

257333426404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48412 (or 48410 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 43.

The spelling of 257333426404 in words is "two hundred fifty-seven billion, three hundred thirty-three million, four hundred twenty-six thousand, four hundred four".