520380860 has 48 divisors (see below), whose sum is σ = 1104274080. Its totient is φ = 205981440.

The previous prime is 520380857. The next prime is 520380869. The reversal of 520380860 is 68083025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520380869) 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, 1337546 + ... + 1337934.

It is an arithmetic number, because the mean of its divisors is an integer number (23005710).

Almost surely, 2^520380860 is an apocalyptic number.

It is an amenable number.

520380860 is an abundant number, since it is smaller than the sum of its proper divisors (583893220).

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

520380860 is a wasteful number, since it uses less digits than its factorization.

520380860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 520380860 is about 22811.8578813739. The cubic root of 520380860 is about 804.3414286285.

The spelling of 520380860 in words is "five hundred twenty million, three hundred eighty thousand, eight hundred sixty".