518806860 has 288 divisors, whose sum is σ = 1801820160. Its totient is φ = 110584320.

The previous prime is 518806853. The next prime is 518806861. The reversal of 518806860 is 68608815.

It is not an unprimeable number, because it can be changed into a prime (518806861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2170621 + ... + 2170859.

It is an arithmetic number, because the mean of its divisors is an integer number (6256320).

Almost surely, 2^518806860 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 518806860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900910080).

518806860 is an abundant number, since it is smaller than the sum of its proper divisors (1283013300).

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

518806860 is a wasteful number, since it uses less digits than its factorization.

518806860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 518806860 is about 22777.3321528225. The cubic root of 518806860 is about 803.5296436996.

The spelling of 518806860 in words is "five hundred eighteen million, eight hundred six thousand, eight hundred sixty".