2644112148 has 12 divisors (see below), whose sum is σ = 6169595040. Its totient is φ = 881370712.

The previous prime is 2644112147. The next prime is 2644112173. The reversal of 2644112148 is 8412114462.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644112147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110171328 + ... + 110171351.

It is an arithmetic number, because the mean of its divisors is an integer number (514132920).

Almost surely, 2^2644112148 is an apocalyptic number.

It is an amenable number.

2644112148 is an abundant number, since it is smaller than the sum of its proper divisors (3525482892).

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

2644112148 is a wasteful number, since it uses less digits than its factorization.

2644112148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220342686 (or 220342684 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 2644112148 is about 51420.9310300776. The cubic root of 2644112148 is about 1382.8018667491.

The spelling of 2644112148 in words is "two billion, six hundred forty-four million, one hundred twelve thousand, one hundred forty-eight".