22004440080 has 160 divisors (see below), whose sum is σ = 78005507328. Its totient is φ = 5026560000.

The previous prime is 22004440079. The next prime is 22004440121. The reversal of 22004440080 is 8004440022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22004440080.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3997330 + ... + 4002830.

Almost surely, 2^22004440080 is an apocalyptic number.

22004440080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22004440080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39002753664).

22004440080 is an abundant number, since it is smaller than the sum of its proper divisors (56001067248).

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

22004440080 is a wasteful number, since it uses less digits than its factorization.

22004440080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7905 (or 7899 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The spelling of 22004440080 in words is "twenty-two billion, four million, four hundred forty thousand, eighty".