557838696996 has 81 divisors (see below), whose sum is σ = 1640403652251.
Its totient is φ = 159373522224.
The previous prime is 557838696913. The next prime is 557838696997. The reversal of 557838696996 is 699696838755.
The square root of 557838696996 is 746886.
It is a perfect power (a square), and thus also a powerful number.
557838696996 is a `hidden beast` number, since 5 + 578 + 38 + 6 + 9 + 6 + 9 + 9 + 6 = 666.
It is a super-2 number, since 2×5578386969962 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (557838696997) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31360321 + ... + 31378103.
Almost surely, 2557838696996 is an apocalyptic number.
557838696996 is the 746886-th square number.
It is an amenable number.
557838696996 is an abundant number, since it is smaller than the sum of its proper divisors (1082564955255).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
557838696996 is an equidigital number, since it uses as much as digits as its factorization.
557838696996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35590 (or 17795 counting only the distinct ones).
The product of its digits is 5290790400, while the sum is 81.
Multiplying 557838696996 by its sum of digits (81), we get a square (45184934456676 = 67219742).
The spelling of 557838696996 in words is "five hundred fifty-seven billion, eight hundred thirty-eight million, six hundred ninety-six thousand, nine hundred ninety-six".