44345140 has 48 divisors (see below), whose sum is σ = 107654400. Its totient is φ = 15028992.

The previous prime is 44345137. The next prime is 44345177. The reversal of 44345140 is 4154344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10681 + ... + 14239.

It is an arithmetic number, because the mean of its divisors is an integer number (2242800).

Almost surely, 2^44345140 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 44345140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53827200).

44345140 is an abundant number, since it is smaller than the sum of its proper divisors (63309260).

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

44345140 is a wasteful number, since it uses less digits than its factorization.

44345140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664 (or 3662 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 44345140 is about 6659.2146684125. The cubic root of 44345140 is about 353.9555095331.

Adding to 44345140 its reverse (4154344), we get a palindrome (48499484).

The spelling of 44345140 in words is "forty-four million, three hundred forty-five thousand, one hundred forty".