444466664444 has 48 divisors (see below), whose sum is σ = 862604854272. Its totient is φ = 198705000000.

The previous prime is 444466664443. The next prime is 444466664507.

444466664444 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 444466664444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444466664443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339869 + ... + 1002219.

It is an arithmetic number, because the mean of its divisors is an integer number (17970934464).

Almost surely, 2^444466664444 is an apocalyptic number.

444466664444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444466664444 is a deficient number, since it is larger than the sum of its proper divisors (418138189828).

444466664444 is a wasteful number, since it uses less digits than its factorization.

444466664444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662618 (or 662616 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 56.

The spelling of 444466664444 in words is "four hundred forty-four billion, four hundred sixty-six million, six hundred sixty-four thousand, four hundred forty-four".