520544934144 has 81 divisors (see below), whose sum is σ = 1500959231499. Its totient is φ = 173503434240.

The previous prime is 520544934137. The next prime is 520544934191. The reversal of 520544934144 is 441439445025.

The square root of 520544934144 is 721488.

It is a perfect power (a square), and thus also a powerful number.

520544934144 is a `hidden beast` number, since 5 + 2 + 0 + 544 + 93 + 4 + 14 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 520544934144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34623909 + ... + 34638939.

Almost surely, 2^520544934144 is an apocalyptic number.

520544934144 is the 721488-th square number.

It is an amenable number.

520544934144 is an abundant number, since it is smaller than the sum of its proper divisors (980414297355).

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

520544934144 is an frugal number, since it uses more digits than its factorization.

520544934144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30084 (or 15036 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 520544934144 in words is "five hundred twenty billion, five hundred forty-four million, nine hundred thirty-four thousand, one hundred forty-four".