112246640 has 80 divisors (see below), whose sum is σ = 286454880. Its totient is φ = 40565760.

The previous prime is 112246639. The next prime is 112246657. The reversal of 112246640 is 46642211.

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

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, 201242 + ... + 201798.

It is an arithmetic number, because the mean of its divisors is an integer number (3580686).

Almost surely, 2^112246640 is an apocalyptic number.

112246640 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 112246640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143227440).

112246640 is an abundant number, since it is smaller than the sum of its proper divisors (174208240).

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

112246640 is a wasteful number, since it uses less digits than its factorization.

112246640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 112246640 is about 10594.6514808180. The cubic root of 112246640 is about 482.3820252610.

Adding to 112246640 its reverse (46642211), we get a palindrome (158888851).

The spelling of 112246640 in words is "one hundred twelve million, two hundred forty-six thousand, six hundred forty".