2144165744 has 40 divisors (see below), whose sum is σ = 4761564288. Its totient is φ = 916263360.

The previous prime is 2144165711. The next prime is 2144165759. The reversal of 2144165744 is 4475614412.

It is a junction number, because it is equal to n+sod(n) for n = 2144165698 and 2144165707.

It is a congruent 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, 11279 + ... + 66449.

Almost surely, 2^2144165744 is an apocalyptic number.

It is an amenable number.

2144165744 is an abundant number, since it is smaller than the sum of its proper divisors (2617398544).

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

2144165744 is a wasteful number, since it uses less digits than its factorization.

2144165744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55533 (or 55527 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 2144165744 is about 46305.1373391765. The cubic root of 2144165744 is about 1289.4943722788.

The spelling of 2144165744 in words is "two billion, one hundred forty-four million, one hundred sixty-five thousand, seven hundred forty-four".