44021144 has 16 divisors (see below), whose sum is σ = 83772600. Its totient is φ = 21681792.

The previous prime is 44021137. The next prime is 44021183. The reversal of 44021144 is 44112044.

It is a happy number.

It is a super-2 number, since 2×44021144² = 3875722238137472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40529 + ... + 41600.

Almost surely, 2^44021144 is an apocalyptic number.

It is an amenable number.

44021144 is a deficient number, since it is larger than the sum of its proper divisors (39751456).

44021144 is a wasteful number, since it uses less digits than its factorization.

44021144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82202 (or 82198 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 44021144 is about 6634.8431782522. The cubic root of 44021144 is about 353.0913742383.

Adding to 44021144 its reverse (44112044), we get a palindrome (88133188).

The spelling of 44021144 in words is "forty-four million, twenty-one thousand, one hundred forty-four".