520542505304 has 16 divisors (see below), whose sum is σ = 976205368800. Its totient is φ = 260221073632.

The previous prime is 520542505253. The next prime is 520542505309. The reversal of 520542505304 is 403505245025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520542505309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6228272 + ... + 6311295.

It is an arithmetic number, because the mean of its divisors is an integer number (61012835550).

Almost surely, 2^520542505304 is an apocalyptic number.

It is an amenable number.

520542505304 is a deficient number, since it is larger than the sum of its proper divisors (455662863496).

520542505304 is a wasteful number, since it uses less digits than its factorization.

520542505304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12544762 (or 12544758 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 520542505304 in words is "five hundred twenty billion, five hundred forty-two million, five hundred five thousand, three hundred four".