5644004464 has 40 divisors (see below), whose sum is σ = 12501030240. Its totient is φ = 2418163968.

The previous prime is 5644004453. The next prime is 5644004467. The reversal of 5644004464 is 4644004465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644004467) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 646722 + ... + 655390.

It is an arithmetic number, because the mean of its divisors is an integer number (312525756).

Almost surely, 2^5644004464 is an apocalyptic number.

It is an amenable number.

5644004464 is an abundant number, since it is smaller than the sum of its proper divisors (6857025776).

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

5644004464 is a wasteful number, since it uses less digits than its factorization.

5644004464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14497 (or 14491 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

The square root of 5644004464 is about 75126.5895938316. The cubic root of 5644004464 is about 1780.4472705086.

Subtracting from 5644004464 its reverse (4644004465), we obtain a palindrome (999999999).

The spelling of 5644004464 in words is "five billion, six hundred forty-four million, four thousand, four hundred sixty-four".