44130042 has 32 divisors (see below), whose sum is σ = 106983360. Its totient is φ = 13372560.

The previous prime is 44130007. The next prime is 44130049. The reversal of 44130042 is 24003144.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 44129997 and 44130024.

It is not an unprimeable number, because it can be changed into a prime (44130049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36553 + ... + 37740.

It is an arithmetic number, because the mean of its divisors is an integer number (3343230).

Almost surely, 2^44130042 is an apocalyptic number.

44130042 is an abundant number, since it is smaller than the sum of its proper divisors (62853318).

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

44130042 is a wasteful number, since it uses less digits than its factorization.

44130042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74315 (or 74309 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44130042 is about 6643.0446332988. The cubic root of 44130042 is about 353.3822896051.

Adding to 44130042 its reverse (24003144), we get a palindrome (68133186).

The spelling of 44130042 in words is "forty-four million, one hundred thirty thousand, forty-two".