557947631712 has 24 divisors (see below), whose sum is σ = 1464612533496. Its totient is φ = 185982543872.

The previous prime is 557947631711. The next prime is 557947631749. The reversal of 557947631712 is 217136749755.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×557947631712² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557947631711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2905977153 + ... + 2905977344.

It is an arithmetic number, because the mean of its divisors is an integer number (61025522229).

Almost surely, 2^557947631712 is an apocalyptic number.

It is an amenable number.

557947631712 is an abundant number, since it is smaller than the sum of its proper divisors (906664901784).

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

557947631712 is a wasteful number, since it uses less digits than its factorization.

557947631712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811954510 (or 5811954502 counting only the distinct ones).

The product of its digits is 11113200, while the sum is 57.

The spelling of 557947631712 in words is "five hundred fifty-seven billion, nine hundred forty-seven million, six hundred thirty-one thousand, seven hundred twelve".