520075632 has 80 divisors (see below), whose sum is σ = 1406481408. Its totient is φ = 165285120.

The previous prime is 520075631. The next prime is 520075667. The reversal of 520075632 is 236570025.

It is a self number, because there is not a number n which added to its sum of digits gives 520075632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520075631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475278 + ... + 476370.

Almost surely, 2^520075632 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 520075632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703240704).

520075632 is an abundant number, since it is smaller than the sum of its proper divisors (886405776).

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

520075632 is a wasteful number, since it uses less digits than its factorization.

520075632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 520075632 is about 22805.1667829902. The cubic root of 520075632 is about 804.1841364343.

The spelling of 520075632 in words is "five hundred twenty million, seventy-five thousand, six hundred thirty-two".