517033385808 has 40 divisors (see below), whose sum is σ = 1336248328800. Its totient is φ = 172269784704.

The previous prime is 517033385807. The next prime is 517033385849. The reversal of 517033385808 is 808583330715.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517033385807) 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, 2221678 + ... + 2443341.

It is an arithmetic number, because the mean of its divisors is an integer number (33406208220).

Almost surely, 2^517033385808 is an apocalyptic number.

It is an amenable number.

517033385808 is an abundant number, since it is smaller than the sum of its proper divisors (819214942992).

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

517033385808 is a wasteful number, since it uses less digits than its factorization.

517033385808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667339 (or 4667333 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 517033385808 in words is "five hundred seventeen billion, thirty-three million, three hundred eighty-five thousand, eight hundred eight".