520814880 has 192 divisors, whose sum is σ = 1882137600. Its totient is φ = 134369280.

The previous prime is 520814867. The next prime is 520814897. The reversal of 520814880 is 88418025.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131976 + ... + 135864.

It is an arithmetic number, because the mean of its divisors is an integer number (9802800).

Almost surely, 2^520814880 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 520814880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941068800).

520814880 is an abundant number, since it is smaller than the sum of its proper divisors (1361322720).

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

520814880 is a wasteful number, since it uses less digits than its factorization.

520814880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944 (or 3930 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 520814880 is about 22821.3689335237. The cubic root of 520814880 is about 804.5649849272.

The spelling of 520814880 in words is "five hundred twenty million, eight hundred fourteen thousand, eight hundred eighty".