517404677020 has 48 divisors (see below), whose sum is σ = 1354659522048. Its totient is φ = 161268989760.

The previous prime is 517404676979. The next prime is 517404677021. The reversal of 517404677020 is 20776404715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517404677021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167986992 + ... + 167990071.

It is an arithmetic number, because the mean of its divisors is an integer number (28222073376).

Almost surely, 2^517404677020 is an apocalyptic number.

It is an amenable number.

517404677020 is an abundant number, since it is smaller than the sum of its proper divisors (837254845028).

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

517404677020 is a wasteful number, since it uses less digits than its factorization.

517404677020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335977090 (or 335977088 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 517404677020 in words is "five hundred seventeen billion, four hundred four million, six hundred seventy-seven thousand, twenty".