520450512 has 80 divisors (see below), whose sum is σ = 1427355072. Its totient is φ = 162846720.

The previous prime is 520450481. The next prime is 520450523. The reversal of 520450512 is 215054025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 465378 + ... + 466494.

Almost surely, 2^520450512 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 520450512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713677536).

520450512 is an abundant number, since it is smaller than the sum of its proper divisors (906904560).

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

520450512 is a wasteful number, since it uses less digits than its factorization.

520450512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 520450512 is about 22813.3844924422. The cubic root of 520450512 is about 804.3773135569.

The spelling of 520450512 in words is "five hundred twenty million, four hundred fifty thousand, five hundred twelve".