504020520512 has 28 divisors (see below), whose sum is σ = 1015093575600. Its totient is φ = 248248910976.

The previous prime is 504020520511. The next prime is 504020520517. The reversal of 504020520512 is 215025020405.

It is not an unprimeable number, because it can be changed into a prime (504020520511) 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, 58766762 + ... + 58775337.

Almost surely, 2^504020520512 is an apocalyptic number.

It is an amenable number.

504020520512 is an abundant number, since it is smaller than the sum of its proper divisors (511073055088).

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

504020520512 is a wasteful number, since it uses less digits than its factorization.

504020520512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117542178 (or 117542168 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 504020520512 its reverse (215025020405), we get a palindrome (719045540917).

The spelling of 504020520512 in words is "five hundred four billion, twenty million, five hundred twenty thousand, five hundred twelve".