4431440332 has 12 divisors (see below), whose sum is σ = 8460022536. Its totient is φ = 2014291040.

The previous prime is 4431440317. The next prime is 4431440339. The reversal of 4431440332 is 2330441344.

It is a self number, because there is not a number n which added to its sum of digits gives 4431440332.

It is not an unprimeable number, because it can be changed into a prime (4431440339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50357233 + ... + 50357320.

It is an arithmetic number, because the mean of its divisors is an integer number (705001878).

Almost surely, 2^4431440332 is an apocalyptic number.

It is an amenable number.

4431440332 is a deficient number, since it is larger than the sum of its proper divisors (4028582204).

4431440332 is a wasteful number, since it uses less digits than its factorization.

4431440332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100714568 (or 100714566 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4431440332 is about 66569.0643767809. The cubic root of 4431440332 is about 1642.5362714325.

Adding to 4431440332 its reverse (2330441344), we get a palindrome (6761881676).

The spelling of 4431440332 in words is "four billion, four hundred thirty-one million, four hundred forty thousand, three hundred thirty-two".