444421341445453 has 8 divisors (see below), whose sum is σ = 448396544539008. Its totient is φ = 440446879946304.

The previous prime is 444421341445381. The next prime is 444421341445457. The reversal of 444421341445453 is 354544143124444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444421341445453 is a prime.

It is a super-4 number, since 4×444421341445453⁴ (a number of 60 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444421341445453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444421341445457) 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, 184194651 + ... + 186591832.

It is an arithmetic number, because the mean of its divisors is an integer number (56049568067376).

Almost surely, 2^{444421341445453} is an apocalyptic number.

It is an amenable number.

444421341445453 is a deficient number, since it is larger than the sum of its proper divisors (3975203093555).

444421341445453 is a wasteful number, since it uses less digits than its factorization.

444421341445453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370797203.

The product of its digits is 29491200, while the sum is 52.

Adding to 444421341445453 its reverse (354544143124444), we get a palindrome (798965484569897).

The spelling of 444421341445453 in words is "four hundred forty-four trillion, four hundred twenty-one billion, three hundred forty-one million, four hundred forty-five thousand, four hundred fifty-three".