44000140 has 24 divisors (see below), whose sum is σ = 92887200. Its totient is φ = 17507328.

The previous prime is 44000113. The next prime is 44000167. The reversal of 44000140 is 4100044.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44000113) and next prime (44000167).

It is a self number, because there is not a number n which added to its sum of digits gives 44000140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840 + ... + 9559.

It is an arithmetic number, because the mean of its divisors is an integer number (3870300).

Almost surely, 2^44000140 is an apocalyptic number.

It is an amenable number.

44000140 is an abundant number, since it is smaller than the sum of its proper divisors (48887060).

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

44000140 is a wasteful number, since it uses less digits than its factorization.

44000140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11601 (or 11599 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 44000140 is about 6633.2601335995. The cubic root of 44000140 is about 353.0352079631.

Adding to 44000140 its reverse (4100044), we get a palindrome (48100184).

The spelling of 44000140 in words is "forty-four million, one hundred forty", and thus it is an aban number.