44430140 has 12 divisors (see below), whose sum is σ = 93303336. Its totient is φ = 17772048.

The previous prime is 44430119. The next prime is 44430157. The reversal of 44430140 is 4103444.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2221507 = 44430140 / (4 + 4 + 4 + 3 + 0 + 1 + 4 + 0).

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, 1110734 + ... + 1110773.

It is an arithmetic number, because the mean of its divisors is an integer number (7775278).

Almost surely, 2^44430140 is an apocalyptic number.

It is an amenable number.

44430140 is an abundant number, since it is smaller than the sum of its proper divisors (48873196).

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

44430140 is a wasteful number, since it uses less digits than its factorization.

44430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221516 (or 2221514 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44430140 is about 6665.5937469966. The cubic root of 44430140 is about 354.1815171320.

Adding to 44430140 its reverse (4103444), we get a palindrome (48533584).

The spelling of 44430140 in words is "forty-four million, four hundred thirty thousand, one hundred forty".