112420440 has 128 divisors (see below), whose sum is σ = 408844800. Its totient is φ = 27250560.

The previous prime is 112420433. The next prime is 112420457. The reversal of 112420440 is 44024211.

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

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, 7149 + ... + 16611.

It is an arithmetic number, because the mean of its divisors is an integer number (3194100).

Almost surely, 2^112420440 is an apocalyptic number.

112420440 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 112420440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204422400).

112420440 is an abundant number, since it is smaller than the sum of its proper divisors (296424360).

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

112420440 is a wasteful number, since it uses less digits than its factorization.

112420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9494 (or 9484 counting only the distinct ones).

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

The square root of 112420440 is about 10602.8505601088. The cubic root of 112420440 is about 482.6308664506.

Adding to 112420440 its reverse (44024211), we get a palindrome (156444651).

The spelling of 112420440 in words is "one hundred twelve million, four hundred twenty thousand, four hundred forty".