518290866 has 48 divisors (see below), whose sum is σ = 1223530080. Its totient is φ = 162596160.

The previous prime is 518290853. The next prime is 518290867. The reversal of 518290866 is 668092815.

It is a super-4 number, since 4×518290866⁴ (a number of 36 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (518290867) 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, 1000 + ... + 32211.

It is an arithmetic number, because the mean of its divisors is an integer number (25490210).

Almost surely, 2^518290866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 518290866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611765040).

518290866 is an abundant number, since it is smaller than the sum of its proper divisors (705239214).

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

518290866 is a wasteful number, since it uses less digits than its factorization.

518290866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33256 (or 33233 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 518290866 is about 22766.0024158832. The cubic root of 518290866 is about 803.2631643093.

The spelling of 518290866 in words is "five hundred eighteen million, two hundred ninety thousand, eight hundred sixty-six".