5644635132 has 12 divisors (see below), whose sum is σ = 13170815336. Its totient is φ = 1881545040.

The previous prime is 5644635127. The next prime is 5644635173. The reversal of 5644635132 is 2315364465.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 235193119 + ... + 235193142.

Almost surely, 2^5644635132 is an apocalyptic number.

It is an amenable number.

5644635132 is an abundant number, since it is smaller than the sum of its proper divisors (7526180204).

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

5644635132 is a wasteful number, since it uses less digits than its factorization.

5644635132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470386268 (or 470386266 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 5644635132 is about 75130.7868453406. The cubic root of 5644635132 is about 1780.5135844946.

Adding to 5644635132 its reverse (2315364465), we get a palindrome (7959999597).

The spelling of 5644635132 in words is "five billion, six hundred forty-four million, six hundred thirty-five thousand, one hundred thirty-two".