557360240 has 40 divisors (see below), whose sum is σ = 1297202688. Its totient is φ = 222713600.

The previous prime is 557360227. The next prime is 557360257. The reversal of 557360240 is 42063755.

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

It is a junction number, because it is equal to n+sod(n) for n = 557360197 and 557360206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89054 + ... + 95106.

Almost surely, 2^557360240 is an apocalyptic number.

It is an amenable number.

557360240 is an abundant number, since it is smaller than the sum of its proper divisors (739842448).

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

557360240 is a wasteful number, since it uses less digits than its factorization.

557360240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217 (or 7211 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 557360240 is about 23608.4781381605. The cubic root of 557360240 is about 822.9598762321.

The spelling of 557360240 in words is "five hundred fifty-seven million, three hundred sixty thousand, two hundred forty".