4431440132 has 24 divisors (see below), whose sum is σ = 8875112064. Its totient is φ = 1896567552.

The previous prime is 4431440131. The next prime is 4431440177. The reversal of 4431440132 is 2310441344.

It is not an unprimeable number, because it can be changed into a prime (4431440131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88493 + ... + 129204.

It is an arithmetic number, because the mean of its divisors is an integer number (369796336).

Almost surely, 2^4431440132 is an apocalyptic number.

It is an amenable number.

4431440132 is an abundant number, since it is smaller than the sum of its proper divisors (4443671932).

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

4431440132 is a wasteful number, since it uses less digits than its factorization.

4431440132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218435 (or 218433 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4431440132 is about 66569.0628745816. The cubic root of 4431440132 is about 1642.5362467222.

Adding to 4431440132 its reverse (2310441344), we get a palindrome (6741881476).

The spelling of 4431440132 in words is "four billion, four hundred thirty-one million, four hundred forty thousand, one hundred thirty-two".