520807812000 has 384 divisors, whose sum is σ = 2012814655488. Its totient is φ = 115201152000.

The previous prime is 520807811947. The next prime is 520807812121. The reversal of 520807812000 is 218708025.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2503999 + ... + 2704001.

It is an arithmetic number, because the mean of its divisors is an integer number (5241704832).

Almost surely, 2^520807812000 is an apocalyptic number.

520807812000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520807812000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006407327744).

520807812000 is an abundant number, since it is smaller than the sum of its proper divisors (1492006843488).

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

520807812000 is a wasteful number, since it uses less digits than its factorization.

520807812000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200069 (or 200051 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The spelling of 520807812000 in words is "five hundred twenty billion, eight hundred seven million, eight hundred twelve thousand".