5644655360 has 36 divisors (see below), whose sum is σ = 13520716608. Its totient is φ = 2257861632.

The previous prime is 5644655347. The next prime is 5644655369. The reversal of 5644655360 is 635564465.

It is not an unprimeable number, because it can be changed into a prime (5644655369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203664 + ... + 2206223.

Almost surely, 2^5644655360 is an apocalyptic number.

It is an amenable number.

5644655360 is an abundant number, since it is smaller than the sum of its proper divisors (7876061248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5644655360 is an equidigital number, since it uses as much as digits as its factorization.

5644655360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409908 (or 4409894 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

The square root of 5644655360 is about 75130.9214638021. The cubic root of 5644655360 is about 1780.5157113628.

The spelling of 5644655360 in words is "five billion, six hundred forty-four million, six hundred fifty-five thousand, three hundred sixty".