500131172622464 has 32 divisors (see below), whose sum is σ = 1019526118620240. Its totient is φ = 244250107557120.

The previous prime is 500131172622373. The next prime is 500131172622479. The reversal of 500131172622464 is 464226271131005.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45433422242 + ... + 45433433249.

Almost surely, 2^{500131172622464} is an apocalyptic number.

It is an amenable number.

500131172622464 is an abundant number, since it is smaller than the sum of its proper divisors (519394945997776).

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

500131172622464 is an equidigital number, since it uses as much as digits as its factorization.

500131172622464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90866855548 (or 90866855536 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 500131172622464 in words is "five hundred trillion, one hundred thirty-one billion, one hundred seventy-two million, six hundred twenty-two thousand, four hundred sixty-four".