557121836424 has 32 divisors (see below), whose sum is σ = 1392964967520. Its totient is φ = 185685895296.

The previous prime is 557121836389. The next prime is 557121836501. The reversal of 557121836424 is 424638121755.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123002 + ... + 1541225.

It is an arithmetic number, because the mean of its divisors is an integer number (43530155235).

Almost surely, 2^557121836424 is an apocalyptic number.

It is an amenable number.

557121836424 is an abundant number, since it is smaller than the sum of its proper divisors (835843131096).

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

557121836424 is a wasteful number, since it uses less digits than its factorization.

557121836424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672949 (or 2672945 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The spelling of 557121836424 in words is "five hundred fifty-seven billion, one hundred twenty-one million, eight hundred thirty-six thousand, four hundred twenty-four".