800044520 has 64 divisors (see below), whose sum is σ = 1981247040. Its totient is φ = 288332800.

The previous prime is 800044513. The next prime is 800044529. The reversal of 800044520 is 25440008.

It is not an unprimeable number, because it can be changed into a prime (800044529) 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, 41675 + ... + 57765.

It is an arithmetic number, because the mean of its divisors is an integer number (30956985).

Almost surely, 2^800044520 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 800044520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990623520).

800044520 is an abundant number, since it is smaller than the sum of its proper divisors (1181202520).

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

800044520 is a wasteful number, since it uses less digits than its factorization.

800044520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16226 (or 16222 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 800044520 is about 28285.0582463604. The cubic root of 800044520 is about 928.3349866977.

Adding to 800044520 its reverse (25440008), we get a palindrome (825484528).

The spelling of 800044520 in words is "eight hundred million, forty-four thousand, five hundred twenty".