520005052304 has 20 divisors (see below), whose sum is σ = 1010022294540. Its totient is φ = 259354137600.

The previous prime is 520005052181. The next prime is 520005052319. The reversal of 520005052304 is 403250500025.

It can be written as a sum of positive squares in 2 ways, for example, as 460443673600 + 59561378704 = 678560^2 + 244052^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40517669 + ... + 40530500.

It is an arithmetic number, because the mean of its divisors is an integer number (50501114727).

Almost surely, 2^520005052304 is an apocalyptic number.

It is an amenable number.

520005052304 is a deficient number, since it is larger than the sum of its proper divisors (490017242236).

520005052304 is a wasteful number, since it uses less digits than its factorization.

520005052304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81048578 (or 81048572 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

Adding to 520005052304 its reverse (403250500025), we get a palindrome (923255552329).

The spelling of 520005052304 in words is "five hundred twenty billion, five million, fifty-two thousand, three hundred four".