557680842 has 32 divisors (see below), whose sum is σ = 1250673600. Its totient is φ = 184186224.

The previous prime is 557680841. The next prime is 557680859. The reversal of 557680842 is 248086755.

It is a super-2 number, since 2×557680842² = 622015843067657928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557680841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41488 + ... + 53259.

It is an arithmetic number, because the mean of its divisors is an integer number (39083550).

Almost surely, 2^557680842 is an apocalyptic number.

557680842 is an abundant number, since it is smaller than the sum of its proper divisors (692992758).

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

557680842 is a wasteful number, since it uses less digits than its factorization.

557680842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94867 (or 94861 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 557680842 is about 23615.2671380190. The cubic root of 557680842 is about 823.1176389564.

The spelling of 557680842 in words is "five hundred fifty-seven million, six hundred eighty thousand, eight hundred forty-two".