509086804992 has 88 divisors (see below), whose sum is σ = 1428317995200. Its totient is φ = 160764235776.

The previous prime is 509086804979. The next prime is 509086804997. The reversal of 509086804992 is 299408680905.

It is a super-2 number, since 2×509086804992² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (509086804997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4302642 + ... + 4419377.

Almost surely, 2^509086804992 is an apocalyptic number.

It is an amenable number.

509086804992 is an abundant number, since it is smaller than the sum of its proper divisors (919231190208).

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

509086804992 is a wasteful number, since it uses less digits than its factorization.

509086804992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722061 (or 8722043 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 509086804992 in words is "five hundred nine billion, eighty-six million, eight hundred four thousand, nine hundred ninety-two".