5644224464 has 20 divisors (see below), whose sum is σ = 10937041056. Its totient is φ = 2821762272.

The previous prime is 5644224433. The next prime is 5644224563. The reversal of 5644224464 is 4644224465.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154067 + ... + 187149.

Almost surely, 2^5644224464 is an apocalyptic number.

It is an amenable number.

5644224464 is a deficient number, since it is larger than the sum of its proper divisors (5292816592).

5644224464 is a wasteful number, since it uses less digits than its factorization.

5644224464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43754 (or 43748 counting only the distinct ones).

The product of its digits is 737280, while the sum is 41.

The square root of 5644224464 is about 75128.0537748716. The cubic root of 5644224464 is about 1780.4704038066.

Subtracting from 5644224464 its reverse (4644224465), we obtain a palindrome (999999999).

The spelling of 5644224464 in words is "five billion, six hundred forty-four million, two hundred twenty-four thousand, four hundred sixty-four".