2144803968 has 64 divisors (see below), whose sum is σ = 6330160800. Its totient is φ = 714933504.

The previous prime is 2144803939. The next prime is 2144803987. The reversal of 2144803968 is 8693084412.

It is a happy number.

2144803968 is a `hidden beast` number, since 214 + 48 + 0 + 396 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2144803968² = 9200368122297090048, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 306846 + ... + 313757.

Almost surely, 2^2144803968 is an apocalyptic number.

It is an amenable number.

2144803968 is an abundant number, since it is smaller than the sum of its proper divisors (4185356832).

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

2144803968 is an equidigital number, since it uses as much as digits as its factorization.

2144803968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620626 (or 620608 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 2144803968 is about 46312.0283295819. The cubic root of 2144803968 is about 1289.6223015393.

The spelling of 2144803968 in words is "two billion, one hundred forty-four million, eight hundred three thousand, nine hundred sixty-eight".