520820928000 has 960 divisors, whose sum is σ = 1980206205120. Its totient is φ = 136608768000.

The previous prime is 520820927999. The next prime is 520820928011. The reversal of 520820928000 is 829028025.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8538047970 + ... + 8538048030.

It is an arithmetic number, because the mean of its divisors is an integer number (2062714797).

Almost surely, 2^520820928000 is an apocalyptic number.

520820928000 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 520820928000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990103102560).

520820928000 is an abundant number, since it is smaller than the sum of its proper divisors (1459385277120).

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

520820928000 is an frugal number, since it uses more digits than its factorization.

520820928000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 520820928000 in words is "five hundred twenty billion, eight hundred twenty million, nine hundred twenty-eight thousand".