44224140 has 96 divisors (see below), whose sum is σ = 132378624. Its totient is φ = 10992640.

The previous prime is 44224097. The next prime is 44224151. The reversal of 44224140 is 4142244.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194707 + ... + 194933.

It is an arithmetic number, because the mean of its divisors is an integer number (1378944).

Almost surely, 2^44224140 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 44224140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66189312).

44224140 is an abundant number, since it is smaller than the sum of its proper divisors (88154484).

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

44224140 is a wasteful number, since it uses less digits than its factorization.

44224140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 44224140 is about 6650.1233071275. The cubic root of 44224140 is about 353.6332823412.

Adding to 44224140 its reverse (4142244), we get a palindrome (48366384).

The spelling of 44224140 in words is "forty-four million, two hundred twenty-four thousand, one hundred forty".