5644660372 has 24 divisors (see below), whose sum is σ = 11197911200. Its totient is φ = 2468110176.

The previous prime is 5644660361. The next prime is 5644660403. The reversal of 5644660372 is 2730664465.

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, 2855622 + ... + 2857597.

Almost surely, 2^5644660372 is an apocalyptic number.

5644660372 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5644660372 is a deficient number, since it is larger than the sum of its proper divisors (5553250828).

5644660372 is a wasteful number, since it uses less digits than its factorization.

5644660372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713255 (or 5713253 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The square root of 5644660372 is about 75130.9548189027. The cubic root of 5644660372 is about 1780.5162383476.

The spelling of 5644660372 in words is "five billion, six hundred forty-four million, six hundred sixty thousand, three hundred seventy-two".