517400336020 has 24 divisors (see below), whose sum is σ = 1121590407168. Its totient is φ = 200284000800.

The previous prime is 517400336003. The next prime is 517400336021. The reversal of 517400336020 is 20633004715.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517400336021) 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, 417257716 + ... + 417258955.

It is an arithmetic number, because the mean of its divisors is an integer number (46732933632).

Almost surely, 2^517400336020 is an apocalyptic number.

It is an amenable number.

517400336020 is an abundant number, since it is smaller than the sum of its proper divisors (604190071148).

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

517400336020 is a wasteful number, since it uses less digits than its factorization.

517400336020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834516711 (or 834516709 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 517400336020 in words is "five hundred seventeen billion, four hundred million, three hundred thirty-six thousand, twenty".