520456322357672 has 16 divisors (see below), whose sum is σ = 989600049554400. Its totient is φ = 256562975809840.

The previous prime is 520456322357633. The next prime is 520456322357737. The reversal of 520456322357672 is 276753223654025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458148170522 + ... + 458148171657.

It is an arithmetic number, because the mean of its divisors is an integer number (61850003097150).

Almost surely, 2^{520456322357672} is an apocalyptic number.

It is an amenable number.

520456322357672 is a deficient number, since it is larger than the sum of its proper divisors (469143727196728).

520456322357672 is a wasteful number, since it uses less digits than its factorization.

520456322357672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916296342256 (or 916296342252 counting only the distinct ones).

The product of its (nonzero) digits is 127008000, while the sum is 59.

The spelling of 520456322357672 in words is "five hundred twenty trillion, four hundred fifty-six billion, three hundred twenty-two million, three hundred fifty-seven thousand, six hundred seventy-two".