557491010238 has 64 divisors (see below), whose sum is σ = 1251237888000. Its totient is φ = 183981121632.

The previous prime is 557491010227. The next prime is 557491010257. The reversal of 557491010238 is 832010194755.

557491010238 is a `hidden beast` number, since 5 + 57 + 491 + 0 + 102 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 557491010193 and 557491010202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3200128 + ... + 3369836.

It is an arithmetic number, because the mean of its divisors is an integer number (19550592000).

Almost surely, 2^557491010238 is an apocalyptic number.

557491010238 is an abundant number, since it is smaller than the sum of its proper divisors (693746877762).

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

557491010238 is a wasteful number, since it uses less digits than its factorization.

557491010238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170326 (or 170320 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 557491010238 in words is "five hundred fifty-seven billion, four hundred ninety-one million, ten thousand, two hundred thirty-eight".