8644444466 has 16 divisors (see below), whose sum is σ = 15121478400. Its totient is φ = 3704761620.

The previous prime is 8644444463. The next prime is 8644444483. The reversal of 8644444466 is 6644444468.

It is not an unprimeable number, because it can be changed into a prime (8644444463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6299930 + ... + 6301301.

It is an arithmetic number, because the mean of its divisors is an integer number (945092400).

Almost surely, 2^8644444466 is an apocalyptic number.

8644444466 is a deficient number, since it is larger than the sum of its proper divisors (6477033934).

8644444466 is a wasteful number, since it uses less digits than its factorization.

8644444466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12601254 (or 12601240 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 50.

The square root of 8644444466 is about 92975.5046557963. The cubic root of 8644444466 is about 2052.3229243074.

The spelling of 8644444466 in words is "eight billion, six hundred forty-four million, four hundred forty-four thousand, four hundred sixty-six".