8644438484 has 12 divisors (see below), whose sum is σ = 16503019008. Its totient is φ = 3929290200.

The previous prime is 8644438447. The next prime is 8644438559. The reversal of 8644438484 is 4848344468.

8644438484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 98232212 + ... + 98232299.

It is an arithmetic number, because the mean of its divisors is an integer number (1375251584).

Almost surely, 2^8644438484 is an apocalyptic number.

It is an amenable number.

8644438484 is a deficient number, since it is larger than the sum of its proper divisors (7858580524).

8644438484 is a wasteful number, since it uses less digits than its factorization.

8644438484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196464526 (or 196464524 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 53.

The square root of 8644438484 is about 92975.4724860272. The cubic root of 8644438484 is about 2052.3224509012.

It can be divided in two parts, 86444384 and 84, that added together give a palindrome (86444468).

The spelling of 8644438484 in words is "eight billion, six hundred forty-four million, four hundred thirty-eight thousand, four hundred eighty-four".