506517022494 has 80 divisors (see below), whose sum is σ = 1302827188608. Its totient is φ = 144081546768.

The previous prime is 506517022481. The next prime is 506517022511. The reversal of 506517022494 is 494220715605.

506517022494 is a `hidden beast` number, since 506 + 51 + 7 + 0 + 2 + 2 + 4 + 94 = 666.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 726424 + ... + 1241259.

Almost surely, 2^506517022494 is an apocalyptic number.

506517022494 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

506517022494 is an abundant number, since it is smaller than the sum of its proper divisors (796310166114).

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

506517022494 is a wasteful number, since it uses less digits than its factorization.

506517022494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967931 (or 1967922 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 506517022494 in words is "five hundred six billion, five hundred seventeen million, twenty-two thousand, four hundred ninety-four".