8000844000 has 96 divisors (see below), whose sum is σ = 26210804256. Its totient is φ = 2133555200.

The previous prime is 8000843987. The next prime is 8000844023. The reversal of 8000844000 is 4480008.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321369 + ... + 345368.

It is an arithmetic number, because the mean of its divisors is an integer number (273029211).

Almost surely, 2^8000844000 is an apocalyptic number.

8000844000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8000844000 is an abundant number, since it is smaller than the sum of its proper divisors (18209960256).

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

8000844000 is a wasteful number, since it uses less digits than its factorization.

8000844000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666765 (or 666747 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 8000844000 is about 89447.4370789907. The cubic root of 8000844000 is about 2000.0703308601.

The spelling of 8000844000 in words is "eight billion, eight hundred forty-four thousand".