517471603680 has 48 divisors (see below), whose sum is σ = 1630035553104. Its totient is φ = 137992427520.

The previous prime is 517471603669. The next prime is 517471603709. The reversal of 517471603680 is 86306174715.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539032441 + ... + 539033400.

It is an arithmetic number, because the mean of its divisors is an integer number (33959074023).

Almost surely, 2^517471603680 is an apocalyptic number.

It is an amenable number.

517471603680 is an abundant number, since it is smaller than the sum of its proper divisors (1112563949424).

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

517471603680 is a wasteful number, since it uses less digits than its factorization.

517471603680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078065859 (or 1078065851 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 517471603680 in words is "five hundred seventeen billion, four hundred seventy-one million, six hundred three thousand, six hundred eighty".