2144344866 has 8 divisors (see below), whose sum is σ = 4288689744. Its totient is φ = 714781620.

The previous prime is 2144344859. The next prime is 2144344877. The reversal of 2144344866 is 6684434412.

It is a sphenic number, since it is the product of 3 distinct primes.

2144344866 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178695400 + ... + 178695411.

It is an arithmetic number, because the mean of its divisors is an integer number (536086218).

Almost surely, 2^2144344866 is an apocalyptic number.

2144344866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2144344866 is a wasteful number, since it uses less digits than its factorization.

2144344866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357390816.

The product of its digits is 442368, while the sum is 42.

The square root of 2144344866 is about 46307.0714470263. The cubic root of 2144344866 is about 1289.5302790769.

The spelling of 2144344866 in words is "two billion, one hundred forty-four million, three hundred forty-four thousand, eight hundred sixty-six".