2144842368 has 128 divisors (see below), whose sum is σ = 6072606720. Its totient is φ = 669182976.

The previous prime is 2144842309. The next prime is 2144842373. The reversal of 2144842368 is 8632484412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a nude number because it is divisible by every one of its digits.

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, 412521 + ... + 417687.

It is an arithmetic number, because the mean of its divisors is an integer number (47442240).

Almost surely, 2^2144842368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144842368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3036303360).

2144842368 is an abundant number, since it is smaller than the sum of its proper divisors (3927764352).

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

2144842368 is a wasteful number, since it uses less digits than its factorization.

2144842368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254 (or 5242 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 2144842368 is about 46312.4429068474. The cubic root of 2144842368 is about 1289.6299978450.

The spelling of 2144842368 in words is "two billion, one hundred forty-four million, eight hundred forty-two thousand, three hundred sixty-eight".