44402112 has 84 divisors (see below), whose sum is σ = 128342136. Its totient is φ = 14676480.

The previous prime is 44402093. The next prime is 44402117. The reversal of 44402112 is 21120444.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44402117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90187 + ... + 90677.

Almost surely, 2^44402112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44402112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64171068).

44402112 is an abundant number, since it is smaller than the sum of its proper divisors (83940024).

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

44402112 is a wasteful number, since it uses less digits than its factorization.

44402112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 44402112 is about 6663.4909769579. The cubic root of 44402112 is about 354.1070249988.

Adding to 44402112 its reverse (21120444), we get a palindrome (65522556).

The spelling of 44402112 in words is "forty-four million, four hundred two thousand, one hundred twelve".