112444440 has 128 divisors (see below), whose sum is σ = 352235520. Its totient is φ = 28684800.

The previous prime is 112444433. The next prime is 112444457. The reversal of 112444440 is 44444211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 112444440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 621150 + ... + 621330.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^112444440 is an apocalyptic number.

112444440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112444440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176117760).

112444440 is an abundant number, since it is smaller than the sum of its proper divisors (239791080).

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

112444440 is a wasteful number, since it uses less digits than its factorization.

112444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 112444440 is about 10603.9822708264. The cubic root of 112444440 is about 482.6652087126.

Adding to 112444440 its reverse (44444211), we get a palindrome (156888651).

The spelling of 112444440 in words is "one hundred twelve million, four hundred forty-four thousand, four hundred forty".