2143440132 has 24 divisors (see below), whose sum is σ = 5002346496. Its totient is φ = 714339168.

The previous prime is 2143440119. The next prime is 2143440139. The reversal of 2143440132 is 2310443412.

It is not an unprimeable number, because it can be changed into a prime (2143440139) 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, 59178 + ... + 88254.

It is an arithmetic number, because the mean of its divisors is an integer number (208431104).

Almost surely, 2^2143440132 is an apocalyptic number.

It is an amenable number.

2143440132 is an abundant number, since it is smaller than the sum of its proper divisors (2858906364).

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

2143440132 is a wasteful number, since it uses less digits than its factorization.

2143440132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35227 (or 35225 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2143440132 is about 46297.3015628341. The cubic root of 2143440132 is about 1289.3488956273.

Adding to 2143440132 its reverse (2310443412), we get a palindrome (4453883544).

The spelling of 2143440132 in words is "two billion, one hundred forty-three million, four hundred forty thousand, one hundred thirty-two".