557942480 has 40 divisors (see below), whose sum is σ = 1305205152. Its totient is φ = 221802624.

The previous prime is 557942471. The next prime is 557942503. The reversal of 557942480 is 84249755.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×557942480² = 622599621977100800, which contains 22 as substring.

It is a congruent number.

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, 8354 + ... + 34433.

Almost surely, 2^557942480 is an apocalyptic number.

It is an amenable number.

557942480 is an abundant number, since it is smaller than the sum of its proper divisors (747262672).

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

557942480 is a wasteful number, since it uses less digits than its factorization.

557942480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42963 (or 42957 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 557942480 is about 23620.8060827737. The cubic root of 557942480 is about 823.2463417117.

The spelling of 557942480 in words is "five hundred fifty-seven million, nine hundred forty-two thousand, four hundred eighty".