2130432444 has 72 divisors (see below), whose sum is σ = 6159695360. Its totient is φ = 608189472.

The previous prime is 2130432443. The next prime is 2130432449. The reversal of 2130432444 is 4442340312.

It is a happy number.

2130432444 is a `hidden beast` number, since 213 + 0 + 4 + 3 + 2 + 444 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130432443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386097 + ... + 391575.

Almost surely, 2^2130432444 is an apocalyptic number.

It is an amenable number.

2130432444 is an abundant number, since it is smaller than the sum of its proper divisors (4029262916).

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

2130432444 is a wasteful number, since it uses less digits than its factorization.

2130432444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7039 (or 7034 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2130432444 is about 46156.6078043004. The cubic root of 2130432444 is about 1286.7354194098.

Adding to 2130432444 its reverse (4442340312), we get a palindrome (6572772756).

The spelling of 2130432444 in words is "two billion, one hundred thirty million, four hundred thirty-two thousand, four hundred forty-four".