2144624964 has 24 divisors (see below), whose sum is σ = 5005051968. Its totient is φ = 714742560.

The previous prime is 2144624959. The next prime is 2144624971. The reversal of 2144624964 is 4694264412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68334 + ... + 94650.

It is an arithmetic number, because the mean of its divisors is an integer number (208543832).

Almost surely, 2^2144624964 is an apocalyptic number.

It is an amenable number.

2144624964 is an abundant number, since it is smaller than the sum of its proper divisors (2860427004).

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

2144624964 is a wasteful number, since it uses less digits than its factorization.

2144624964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33115 (or 33113 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 2144624964 is about 46310.0957027731. The cubic root of 2144624964 is about 1289.5864235171.

The spelling of 2144624964 in words is "two billion, one hundred forty-four million, six hundred twenty-four thousand, nine hundred sixty-four".