520359976704 has 144 divisors (see below), whose sum is σ = 1418949705600. Its totient is φ = 169227522048.

The previous prime is 520359976657. The next prime is 520359976729. The reversal of 520359976704 is 407679953025.

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, 7250307 + ... + 7321725.

It is an arithmetic number, because the mean of its divisors is an integer number (9853817400).

Almost surely, 2^520359976704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520359976704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709474852800).

520359976704 is an abundant number, since it is smaller than the sum of its proper divisors (898589728896).

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

520359976704 is a wasteful number, since it uses less digits than its factorization.

520359976704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71670 (or 71656 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 57.

The spelling of 520359976704 in words is "five hundred twenty billion, three hundred fifty-nine million, nine hundred seventy-six thousand, seven hundred four".