1144464844 has 24 divisors (see below), whose sum is σ = 2016031808. Its totient is φ = 568466640.

The previous prime is 1144464817. The next prime is 1144464869. The reversal of 1144464844 is 4484644411.

It is a junction number, because it is equal to n+sod(n) for n = 1144464797 and 1144464806.

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, 663367 + ... + 665089.

Almost surely, 2^1144464844 is an apocalyptic number.

It is an amenable number.

1144464844 is a deficient number, since it is larger than the sum of its proper divisors (871566964).

1144464844 is a wasteful number, since it uses less digits than its factorization.

1144464844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725 (or 2723 counting only the distinct ones).

The product of its digits is 196608, while the sum is 40.

The square root of 1144464844 is about 33829.9400531541. The cubic root of 1144464844 is about 1046.0059432727.

The spelling of 1144464844 in words is "one billion, one hundred forty-four million, four hundred sixty-four thousand, eight hundred forty-four".