556461957944 has 8 divisors (see below), whose sum is σ = 1043366171160. Its totient is φ = 278230978968.

The previous prime is 556461957941. The next prime is 556461958007. The reversal of 556461957944 is 449759164655.

556461957944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556461957941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34778872364 + ... + 34778872379.

It is an arithmetic number, because the mean of its divisors is an integer number (130420771395).

Almost surely, 2^556461957944 is an apocalyptic number.

It is an amenable number.

556461957944 is a deficient number, since it is larger than the sum of its proper divisors (486904213216).

556461957944 is a wasteful number, since it uses less digits than its factorization.

556461957944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69557744749 (or 69557744745 counting only the distinct ones).

The product of its digits is 163296000, while the sum is 65.

The spelling of 556461957944 in words is "five hundred fifty-six billion, four hundred sixty-one million, nine hundred fifty-seven thousand, nine hundred forty-four".