5644330432 has 84 divisors (see below), whose sum is σ = 12195038856. Its totient is φ = 2576655360.

The previous prime is 5644330421. The next prime is 5644330481. The reversal of 5644330432 is 2340334465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9884707 + ... + 9885277.

It is an arithmetic number, because the mean of its divisors is an integer number (145179034).

Almost surely, 2^5644330432 is an apocalyptic number.

5644330432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5644330432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6097519428).

5644330432 is an abundant number, since it is smaller than the sum of its proper divisors (6550708424).

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

5644330432 is a wasteful number, since it uses less digits than its factorization.

5644330432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

The square root of 5644330432 is about 75128.7590207638. The cubic root of 5644330432 is about 1780.4815462708.

Adding to 5644330432 its reverse (2340334465), we get a palindrome (7984664897).

The spelling of 5644330432 in words is "five billion, six hundred forty-four million, three hundred thirty thousand, four hundred thirty-two".