557507479490 has 64 divisors (see below), whose sum is σ = 1127902841856. Its totient is φ = 196862510592.

The previous prime is 557507479483. The next prime is 557507479531. The reversal of 557507479490 is 94974705755.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20028062 + ... + 20055878.

It is an arithmetic number, because the mean of its divisors is an integer number (17623481904).

Almost surely, 2^557507479490 is an apocalyptic number.

557507479490 is an abundant number, since it is smaller than the sum of its proper divisors (570395362366).

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

557507479490 is a wasteful number, since it uses less digits than its factorization.

557507479490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34563.

The product of its (nonzero) digits is 55566000, while the sum is 62.

The spelling of 557507479490 in words is "five hundred fifty-seven billion, five hundred seven million, four hundred seventy-nine thousand, four hundred ninety".