8820440868 has 24 divisors (see below), whose sum is σ = 20610832480. Its totient is φ = 2935889280.

The previous prime is 8820440843. The next prime is 8820440873. The reversal of 8820440868 is 8680440288.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523573 + ... + 540156.

Almost surely, 2^8820440868 is an apocalyptic number.

It is an amenable number.

8820440868 is an abundant number, since it is smaller than the sum of its proper divisors (11790391612).

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

8820440868 is a wasteful number, since it uses less digits than its factorization.

8820440868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064427 (or 1064425 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 48.

The square root of 8820440868 is about 93917.2021942732. The cubic root of 8820440868 is about 2066.1575327974.

The spelling of 8820440868 in words is "eight billion, eight hundred twenty million, four hundred forty thousand, eight hundred sixty-eight".