44105140 has 48 divisors (see below), whose sum is σ = 99468432. Its totient is φ = 16367616.

The previous prime is 44105093. The next prime is 44105141. The reversal of 44105140 is 4150144.

It can be written as a sum of positive squares in 8 ways, for example, as 571536 + 43533604 = 756^2 + 6598^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44105141) 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, 23932 + ... + 25708.

It is an arithmetic number, because the mean of its divisors is an integer number (2072259).

Almost surely, 2^44105140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44105140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49734216).

44105140 is an abundant number, since it is smaller than the sum of its proper divisors (55363292).

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

44105140 is a wasteful number, since it uses less digits than its factorization.

44105140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 44105140 is about 6641.1700776294. The cubic root of 44105140 is about 353.3158074452.

Adding to 44105140 its reverse (4150144), we get a palindrome (48255284).

The spelling of 44105140 in words is "forty-four million, one hundred five thousand, one hundred forty".