2112440044 has 24 divisors (see below), whose sum is σ = 4343059728. Its totient is φ = 886338240.

The previous prime is 2112440021. The next prime is 2112440047. The reversal of 2112440044 is 4400442112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2112439997 and 2112440024.

It is not an unprimeable number, because it can be changed into a prime (2112440047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845967 + ... + 1847110.

It is an arithmetic number, because the mean of its divisors is an integer number (180960822).

Almost surely, 2^2112440044 is an apocalyptic number.

It is an amenable number.

2112440044 is an abundant number, since it is smaller than the sum of its proper divisors (2230619684).

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

2112440044 is a wasteful number, since it uses less digits than its factorization.

2112440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693105 (or 3693103 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2112440044 is about 45961.2885372027. The cubic root of 2112440044 is about 1283.1028328961.

Adding to 2112440044 its reverse (4400442112), we get a palindrome (6512882156).

The spelling of 2112440044 in words is "two billion, one hundred twelve million, four hundred forty thousand, forty-four".