44440240 has 120 divisors (see below), whose sum is σ = 118452240. Its totient is φ = 15455232.

The previous prime is 44440237. The next prime is 44440241. The reversal of 44440240 is 4204444.

It is not an unprimeable number, because it can be changed into a prime (44440241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256794 + ... + 256966.

It is an arithmetic number, because the mean of its divisors is an integer number (987102).

Almost surely, 2^44440240 is an apocalyptic number.

44440240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44440240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59226120).

44440240 is an abundant number, since it is smaller than the sum of its proper divisors (74012000).

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

44440240 is a wasteful number, since it uses less digits than its factorization.

44440240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 44440240 is about 6666.3513258753. The cubic root of 44440240 is about 354.2083529863.

Adding to 44440240 its reverse (4204444), we get a palindrome (48644684).

The spelling of 44440240 in words is "forty-four million, four hundred forty thousand, two hundred forty".