3644423044 has 12 divisors (see below), whose sum is σ = 6439660864. Its totient is φ = 1804519944.

The previous prime is 3644423039. The next prime is 3644423051. The reversal of 3644423044 is 4403244463.

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 3 ways as a sum of consecutive naturals, for example, 4422432 + ... + 4423255.

Almost surely, 2^3644423044 is an apocalyptic number.

It is an amenable number.

3644423044 is a deficient number, since it is larger than the sum of its proper divisors (2795237820).

3644423044 is a wasteful number, since it uses less digits than its factorization.

3644423044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8845794 (or 8845792 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

The square root of 3644423044 is about 60369.0570077088. The cubic root of 3644423044 is about 1538.8971476517.

The spelling of 3644423044 in words is "three billion, six hundred forty-four million, four hundred twenty-three thousand, forty-four".