130400044 has 24 divisors (see below), whose sum is σ = 232243200. Its totient is φ = 64055376.

The previous prime is 130400033. The next prime is 130400057. The reversal of 130400044 is 440004031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53157 + ... + 55555.

It is an arithmetic number, because the mean of its divisors is an integer number (9676800).

Almost surely, 2^130400044 is an apocalyptic number.

It is an amenable number.

130400044 is a deficient number, since it is larger than the sum of its proper divisors (101843156).

130400044 is a wasteful number, since it uses less digits than its factorization.

130400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 130400044 is about 11419.2838654620. The cubic root of 130400044 is about 507.0987958886.

Adding to 130400044 its reverse (440004031), we get a palindrome (570404075).

The spelling of 130400044 in words is "one hundred thirty million, four hundred thousand, forty-four".