804520218 has 8 divisors (see below), whose sum is σ = 1609040448. Its totient is φ = 268173404.

The previous prime is 804520207. The next prime is 804520219. The reversal of 804520218 is 812025408.

It is a sphenic number, since it is the product of 3 distinct primes.

804520218 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (804520219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67043346 + ... + 67043357.

It is an arithmetic number, because the mean of its divisors is an integer number (201130056).

Almost surely, 2^804520218 is an apocalyptic number.

804520218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

804520218 is a wasteful number, since it uses less digits than its factorization.

804520218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134086708.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 804520218 is about 28364.0656112624. The cubic root of 804520218 is about 930.0629001277.

The spelling of 804520218 in words is "eight hundred four million, five hundred twenty thousand, two hundred eighteen".