44138284 has 6 divisors (see below), whose sum is σ = 77242004. Its totient is φ = 22069140.

The previous prime is 44138221. The next prime is 44138287. The reversal of 44138284 is 48283144.

It is a happy number.

It is a super-2 number, since 2×44138284² = 3896376228929312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44138287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5517282 + ... + 5517289.

Almost surely, 2^44138284 is an apocalyptic number.

It is an amenable number.

44138284 is a deficient number, since it is larger than the sum of its proper divisors (33103720).

44138284 is a wasteful number, since it uses less digits than its factorization.

44138284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11034575 (or 11034573 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 44138284 is about 6643.6649524190. The cubic root of 44138284 is about 353.4042881908.

The spelling of 44138284 in words is "forty-four million, one hundred thirty-eight thousand, two hundred eighty-four".