8644004468 has 24 divisors (see below), whose sum is σ = 16531240320. Its totient is φ = 3922176320.

The previous prime is 8644004459. The next prime is 8644004489.

8644004468 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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, 147596 + ... + 197667.

It is an arithmetic number, because the mean of its divisors is an integer number (688801680).

Almost surely, 2^8644004468 is an apocalyptic number.

It is an amenable number.

8644004468 is a deficient number, since it is larger than the sum of its proper divisors (7887235852).

8644004468 is a wasteful number, since it uses less digits than its factorization.

8644004468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345847 (or 345845 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The square root of 8644004468 is about 92973.1384218044. The cubic root of 8644004468 is about 2052.2881029718.

It can be divided in two parts, 864400 and 4468, that added together give a palindrome (868868).

The spelling of 8644004468 in words is "eight billion, six hundred forty-four million, four thousand, four hundred sixty-eight".