130432044 has 12 divisors (see below), whose sum is σ = 304341464. Its totient is φ = 43477344.

The previous prime is 130432033. The next prime is 130432061. The reversal of 130432044 is 440234031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 130432044.

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, 5434657 + ... + 5434680.

Almost surely, 2^130432044 is an apocalyptic number.

It is an amenable number.

130432044 is an abundant number, since it is smaller than the sum of its proper divisors (173909420).

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

130432044 is a wasteful number, since it uses less digits than its factorization.

130432044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10869344 (or 10869342 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 130432044 is about 11420.6849181649. The cubic root of 130432044 is about 507.1402729561.

Adding to 130432044 its reverse (440234031), we get a palindrome (570666075).

The spelling of 130432044 in words is "one hundred thirty million, four hundred thirty-two thousand, forty-four".