112003440 has 80 divisors (see below), whose sum is σ = 356623008. Its totient is φ = 29058048.

The previous prime is 112003439. The next prime is 112003471. The reversal of 112003440 is 44300211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2574 + ... + 15186.

Almost surely, 2^112003440 is an apocalyptic number.

112003440 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 112003440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178311504).

112003440 is an abundant number, since it is smaller than the sum of its proper divisors (244619568).

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

112003440 is a wasteful number, since it uses less digits than its factorization.

112003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12666 (or 12660 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 112003440 is about 10583.1677677338. The cubic root of 112003440 is about 482.0333878377.

Adding to 112003440 its reverse (44300211), we get a palindrome (156303651).

The spelling of 112003440 in words is "one hundred twelve million, three thousand, four hundred forty".