557218388258 has 128 divisors (see below), whose sum is σ = 1067765760000. Its totient is φ = 217298410560.

The previous prime is 557218388219. The next prime is 557218388261. The reversal of 557218388258 is 852883812755.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 557218388258.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28848308 + ... + 28867616.

It is an arithmetic number, because the mean of its divisors is an integer number (8341920000).

Almost surely, 2^557218388258 is an apocalyptic number.

557218388258 is a deficient number, since it is larger than the sum of its proper divisors (510547371742).

557218388258 is a wasteful number, since it uses less digits than its factorization.

557218388258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19445 (or 19431 counting only the distinct ones).

The product of its digits is 43008000, while the sum is 62.

The spelling of 557218388258 in words is "five hundred fifty-seven billion, two hundred eighteen million, three hundred eighty-eight thousand, two hundred fifty-eight".