509885795272 has 32 divisors (see below), whose sum is σ = 1150118337600. Its totient is φ = 207021299904.

The previous prime is 509885795161. The next prime is 509885795273. The reversal of 509885795272 is 272597588905.

It is a junction number, because it is equal to n+sod(n) for n = 509885795198 and 509885795207.

It is not an unprimeable number, because it can be changed into a prime (509885795273) 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, 239606923 + ... + 239609050.

It is an arithmetic number, because the mean of its divisors is an integer number (35941198050).

Almost surely, 2^509885795272 is an apocalyptic number.

It is an amenable number.

509885795272 is an abundant number, since it is smaller than the sum of its proper divisors (640232542328).

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

509885795272 is a wasteful number, since it uses less digits than its factorization.

509885795272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479216005 (or 479216001 counting only the distinct ones).

The product of its (nonzero) digits is 127008000, while the sum is 67.

The spelling of 509885795272 in words is "five hundred nine billion, eight hundred eighty-five million, seven hundred ninety-five thousand, two hundred seventy-two".