520445160 has 96 divisors (see below), whose sum is σ = 1723424040. Its totient is φ = 136161792.

The previous prime is 520445153. The next prime is 520445161. The reversal of 520445160 is 61544025.

520445160 is a `hidden beast` number, since 5 + 204 + 451 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 398960676 + 121484484 = 19974^2 + 11022^2 .

It is not an unprimeable number, because it can be changed into a prime (520445161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5442 + ... + 32718.

Almost surely, 2^520445160 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 520445160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861712020).

520445160 is an abundant number, since it is smaller than the sum of its proper divisors (1202978880).

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

520445160 is a wasteful number, since it uses less digits than its factorization.

520445160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27347 (or 27340 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 520445160 is about 22813.2671925790. The cubic root of 520445160 is about 804.3745563033.

Adding to 520445160 its reverse (61544025), we get a palindrome (581989185).

The spelling of 520445160 in words is "five hundred twenty million, four hundred forty-five thousand, one hundred sixty".