44009240 has 64 divisors (see below), whose sum is σ = 111780000. Its totient is φ = 15447040.

The previous prime is 44009237. The next prime is 44009257. The reversal of 44009240 is 4290044.

It is a happy number.

44009240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11036 + ... + 14484.

Almost surely, 2^44009240 is an apocalyptic number.

44009240 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 44009240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55890000).

44009240 is an abundant number, since it is smaller than the sum of its proper divisors (67770760).

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

44009240 is a wasteful number, since it uses less digits than its factorization.

44009240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 44009240 is about 6633.9460353548. The cubic root of 44009240 is about 353.0595442413.

Adding to 44009240 its reverse (4290044), we get a palindrome (48299284).

The spelling of 44009240 in words is "forty-four million, nine thousand, two hundred forty".