2130440432 has 20 divisors (see below), whose sum is σ = 4128575040. Its totient is φ = 1065001728.

The previous prime is 2130440423. The next prime is 2130440443. The reversal of 2130440432 is 2340440312.

It is a junction number, because it is equal to n+sod(n) for n = 2130440398 and 2130440407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91169 + ... + 112127.

It is an arithmetic number, because the mean of its divisors is an integer number (206428752).

Almost surely, 2^2130440432 is an apocalyptic number.

It is an amenable number.

2130440432 is a deficient number, since it is larger than the sum of its proper divisors (1998134608).

2130440432 is a wasteful number, since it uses less digits than its factorization.

2130440432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27320 (or 27314 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2130440432 is about 46156.6943357082. The cubic root of 2130440432 is about 1286.7370276013.

Adding to 2130440432 its reverse (2340440312), we get a palindrome (4470880744).

The spelling of 2130440432 in words is "two billion, one hundred thirty million, four hundred forty thousand, four hundred thirty-two".