112015440 has 80 divisors (see below), whose sum is σ = 385838400. Its totient is φ = 29870208.

The previous prime is 112015427. The next prime is 112015441. The reversal of 112015440 is 44510211.

112015440 is a `hidden beast` number, since 1 + 120 + 1 + 544 + 0 = 666.

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 (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112015441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23770 + ... + 28089.

It is an arithmetic number, because the mean of its divisors is an integer number (4822980).

Almost surely, 2^112015440 is an apocalyptic number.

112015440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112015440 is an abundant number, since it is smaller than the sum of its proper divisors (273822960).

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

112015440 is a wasteful number, since it uses less digits than its factorization.

112015440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51881 (or 51869 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 112015440 is about 10583.7346905523. The cubic root of 112015440 is about 482.0506021724.

Adding to 112015440 its reverse (44510211), we get a palindrome (156525651).

It can be divided in two parts, 11201 and 5440, that added together give a square (16641 = 129²).

The spelling of 112015440 in words is "one hundred twelve million, fifteen thousand, four hundred forty".