44001244 has 24 divisors (see below), whose sum is σ = 88996320. Its totient is φ = 18644736.

The previous prime is 44001239. The next prime is 44001247. The reversal of 44001244 is 44210044.

It is a super-2 number, since 2×44001244² = 3872218947095072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44001247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6337 + ... + 11320.

It is an arithmetic number, because the mean of its divisors is an integer number (3708180).

Almost surely, 2^44001244 is an apocalyptic number.

It is an amenable number.

44001244 is an abundant number, since it is smaller than the sum of its proper divisors (44995076).

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

44001244 is a wasteful number, since it uses less digits than its factorization.

44001244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17757 (or 17755 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 44001244 is about 6633.3433500762. The cubic root of 44001244 is about 353.0381605871.

Adding to 44001244 its reverse (44210044), we get a palindrome (88211288).

The spelling of 44001244 in words is "forty-four million, one thousand, two hundred forty-four".