557496829440 has 160 divisors (see below), whose sum is σ = 1980275441760. Its totient is φ = 148665802752.

The previous prime is 557496829427. The next prime is 557496829447. The reversal of 557496829440 is 44928694755.

557496829440 is a `hidden beast` number, since 5 + 57 + 496 + 8 + 2 + 94 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557496829447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3963699 + ... + 4101938.

It is an arithmetic number, because the mean of its divisors is an integer number (12376721511).

Almost surely, 2^557496829440 is an apocalyptic number.

It is an amenable number.

557496829440 is an abundant number, since it is smaller than the sum of its proper divisors (1422778612320).

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

557496829440 is an equidigital number, since it uses as much as digits as its factorization.

557496829440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065669 (or 8065647 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 557496829440 in words is "five hundred fifty-seven billion, four hundred ninety-six million, eight hundred twenty-nine thousand, four hundred forty".