520634660505752 has 64 divisors (see below), whose sum is σ = 1079700895996800. Its totient is φ = 233797140702720.

The previous prime is 520634660505749. The next prime is 520634660505767. The reversal of 520634660505752 is 257505066436025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944904977 + ... + 945455807.

It is an arithmetic number, because the mean of its divisors is an integer number (16870326499950).

Almost surely, 2^{520634660505752} is an apocalyptic number.

520634660505752 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

520634660505752 is an abundant number, since it is smaller than the sum of its proper divisors (559066235491048).

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

520634660505752 is a wasteful number, since it uses less digits than its factorization.

520634660505752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796516 (or 796512 counting only the distinct ones).

The product of its (nonzero) digits is 45360000, while the sum is 56.

The spelling of 520634660505752 in words is "five hundred twenty trillion, six hundred thirty-four billion, six hundred sixty million, five hundred five thousand, seven hundred fifty-two".