2444043668 has 18 divisors (see below), whose sum is σ = 4701250218. Its totient is φ = 1110928720.

The previous prime is 2444043611. The next prime is 2444043673. The reversal of 2444043668 is 8663404442.

It can be written as a sum of positive squares in only one way, i.e., 1730726404 + 713317264 = 41602^2 + 26708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2524355 + ... + 2525322.

Almost surely, 2^2444043668 is an apocalyptic number.

It is an amenable number.

2444043668 is a deficient number, since it is larger than the sum of its proper divisors (2257206550).

2444043668 is a wasteful number, since it uses less digits than its factorization.

2444043668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049703 (or 5049690 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 41.

The square root of 2444043668 is about 49437.2700298065. The cubic root of 2444043668 is about 1347.0063831318.

The spelling of 2444043668 in words is "two billion, four hundred forty-four million, forty-three thousand, six hundred sixty-eight".