44002240 has 28 divisors (see below), whose sum is σ = 104781096. Its totient is φ = 17600768.

The previous prime is 44002229. The next prime is 44002247. The reversal of 44002240 is 4220044.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44002247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68434 + ... + 69073.

It is an arithmetic number, because the mean of its divisors is an integer number (3742182).

Almost surely, 2^44002240 is an apocalyptic number.

44002240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44002240 is an abundant number, since it is smaller than the sum of its proper divisors (60778856).

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

44002240 is a wasteful number, since it uses less digits than its factorization.

44002240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137524 (or 137514 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 44002240 is about 6633.4184249149. The cubic root of 44002240 is about 353.0408243251.

Adding to 44002240 its reverse (4220044), we get a palindrome (48222284).

The spelling of 44002240 in words is "forty-four million, two thousand, two hundred forty".