44420112 has 120 divisors (see below), whose sum is σ = 140437440. Its totient is φ = 12983040.

The previous prime is 44420111. The next prime is 44420113. The reversal of 44420112 is 21102444.

It is an interprime number because it is at equal distance from previous prime (44420111) and next prime (44420113).

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

It is not an unprimeable number, because it can be changed into a prime (44420111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45453 + ... + 46419.

It is an arithmetic number, because the mean of its divisors is an integer number (1170312).

Almost surely, 2^44420112 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 44420112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70218720).

44420112 is an abundant number, since it is smaller than the sum of its proper divisors (96017328).

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

44420112 is a wasteful number, since it uses less digits than its factorization.

44420112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1012 counting only the distinct ones).

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

The square root of 44420112 is about 6664.8414834863. The cubic root of 44420112 is about 354.1548685589.

Adding to 44420112 its reverse (21102444), we get a palindrome (65522556).

The spelling of 44420112 in words is "forty-four million, four hundred twenty thousand, one hundred twelve".