4382321944 has 256 divisors, whose sum is σ = 11560550400. Its totient is φ = 1502323200.

The previous prime is 4382321939. The next prime is 4382321947. The reversal of 4382321944 is 4491232834.

It is a junction number, because it is equal to n+sod(n) for n = 4382321897 and 4382321906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4382321947) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31527427 + ... + 31527565.

It is an arithmetic number, because the mean of its divisors is an integer number (45158400).

Almost surely, 2^4382321944 is an apocalyptic number.

4382321944 is a gapful number since it is divisible by the number (44) 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 4382321944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5780275200).

4382321944 is an abundant number, since it is smaller than the sum of its proper divisors (7178228456).

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

4382321944 is a wasteful number, since it uses less digits than its factorization.

4382321944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 330 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 4382321944 is about 66199.1083323635. The cubic root of 4382321944 is about 1636.4450490232.

The spelling of 4382321944 in words is "four billion, three hundred eighty-two million, three hundred twenty-one thousand, nine hundred forty-four".