112640442220 has 24 divisors (see below), whose sum is σ = 244701651600. Its totient is φ = 43502515392.

The previous prime is 112640442113. The next prime is 112640442221. The reversal of 112640442220 is 22244046211.

It is not an unprimeable number, because it can be changed into a prime (112640442221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97103250 + ... + 97104409.

It is an arithmetic number, because the mean of its divisors is an integer number (10195902150).

Almost surely, 2^112640442220 is an apocalyptic number.

112640442220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112640442220 is an abundant number, since it is smaller than the sum of its proper divisors (132061209380).

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

112640442220 is a wasteful number, since it uses less digits than its factorization.

112640442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194207697 (or 194207695 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 112640442220 its reverse (22244046211), we get a palindrome (134884488431).

The spelling of 112640442220 in words is "one hundred twelve billion, six hundred forty million, four hundred forty-two thousand, two hundred twenty".