44243340 has 48 divisors (see below), whose sum is σ = 126227808. Its totient is φ = 11574784.

The previous prime is 44243317. The next prime is 44243347. The reversal of 44243340 is 4334244.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 44243340.

It is not an unprimeable number, because it can be changed into a prime (44243347) 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 15 ways as a sum of consecutive naturals, for example, 3777 + ... + 10136.

It is an arithmetic number, because the mean of its divisors is an integer number (2629746).

Almost surely, 2^44243340 is an apocalyptic number.

It is an amenable number.

44243340 is an abundant number, since it is smaller than the sum of its proper divisors (81984468).

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

44243340 is a wasteful number, since it uses less digits than its factorization.

44243340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13978 (or 13976 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 44243340 is about 6651.5667327330. The cubic root of 44243340 is about 353.6844518055.

Adding to 44243340 its reverse (4334244), we get a palindrome (48577584).

The spelling of 44243340 in words is "forty-four million, two hundred forty-three thousand, three hundred forty".