4443872320 has 112 divisors (see below), whose sum is σ = 11398837248. Its totient is φ = 1645332480.

The previous prime is 4443872317. The next prime is 4443872353. The reversal of 4443872320 is 232783444.

It is a self number, because there is not a number n which added to its sum of digits gives 4443872320.

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, 218422 + ... + 237898.

Almost surely, 2^4443872320 is an apocalyptic number.

4443872320 is a gapful number since it is divisible by the number (40) 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 4443872320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5699418624).

4443872320 is an abundant number, since it is smaller than the sum of its proper divisors (6954964928).

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

4443872320 is a wasteful number, since it uses less digits than its factorization.

4443872320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19548 (or 19538 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The square root of 4443872320 is about 66662.3755952336. The cubic root of 4443872320 is about 1644.0708308489.

The spelling of 4443872320 in words is "four billion, four hundred forty-three million, eight hundred seventy-two thousand, three hundred twenty".