5644434430 has 64 divisors (see below), whose sum is σ = 11012474880. Its totient is φ = 2077891200.

The previous prime is 5644434409. The next prime is 5644434437. The reversal of 5644434430 is 344344465.

It is a self number, because there is not a number n which added to its sum of digits gives 5644434430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644434437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 597645 + ... + 607015.

It is an arithmetic number, because the mean of its divisors is an integer number (172069920).

Almost surely, 2^5644434430 is an apocalyptic number.

5644434430 is a deficient number, since it is larger than the sum of its proper divisors (5368040450).

5644434430 is a wasteful number, since it uses less digits than its factorization.

5644434430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505.

The product of its (nonzero) digits is 276480, while the sum is 37.

The square root of 5644434430 is about 75129.4511493329. The cubic root of 5644434430 is about 1780.4924814552.

Adding to 5644434430 its reverse (344344465), we get a palindrome (5988778895).

The spelling of 5644434430 in words is "five billion, six hundred forty-four million, four hundred thirty-four thousand, four hundred thirty".