517440749934 has 32 divisors (see below), whose sum is σ = 1040769515520. Its totient is φ = 171499730400.

The previous prime is 517440749933. The next prime is 517440749971. The reversal of 517440749934 is 439947044715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517440749933) 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, 2465064 + ... + 2666724.

It is an arithmetic number, because the mean of its divisors is an integer number (32524047360).

Almost surely, 2^517440749934 is an apocalyptic number.

517440749934 is an abundant number, since it is smaller than the sum of its proper divisors (523328765586).

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

517440749934 is a wasteful number, since it uses less digits than its factorization.

517440749934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204096.

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 517440749934 in words is "five hundred seventeen billion, four hundred forty million, seven hundred forty-nine thousand, nine hundred thirty-four".