4324440320 has 72 divisors (see below), whose sum is σ = 10370377080. Its totient is φ = 1727774720.

The previous prime is 4324440319. The next prime is 4324440347. The reversal of 4324440320 is 230444234.

It can be written as a sum of positive squares in 4 ways, for example, as 1650309376 + 2674130944 = 40624^2 + 51712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4324440320.

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, 1648610 + ... + 1651230.

It is an arithmetic number, because the mean of its divisors is an integer number (144033015).

Almost surely, 2^4324440320 is an apocalyptic number.

4324440320 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 4324440320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5185188540).

4324440320 is an abundant number, since it is smaller than the sum of its proper divisors (6045936760).

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

4324440320 is a wasteful number, since it uses less digits than its factorization.

4324440320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931 (or 3917 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 4324440320 is about 65760.4768839156. The cubic root of 4324440320 is about 1629.2083827191.

Adding to 4324440320 its reverse (230444234), we get a palindrome (4554884554).

The spelling of 4324440320 in words is "four billion, three hundred twenty-four million, four hundred forty thousand, three hundred twenty".