520631600344 has 16 divisors (see below), whose sum is σ = 1027562369400. Its totient is φ = 246614968512.

The previous prime is 520631600329. The next prime is 520631600353. The reversal of 520631600344 is 443006136025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712603797 + ... + 1712604100.

Almost surely, 2^520631600344 is an apocalyptic number.

It is an amenable number.

520631600344 is a deficient number, since it is larger than the sum of its proper divisors (506930769056).

520631600344 is a wasteful number, since it uses less digits than its factorization.

520631600344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425207922 (or 3425207918 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 520631600344 its reverse (443006136025), we get a palindrome (963637736369).

The spelling of 520631600344 in words is "five hundred twenty billion, six hundred thirty-one million, six hundred thousand, three hundred forty-four".