440405044223 has 8 divisors (see below), whose sum is σ = 460150706400. Its totient is φ = 420709183488.

The previous prime is 440405044193. The next prime is 440405044249. The reversal of 440405044223 is 322440504044.

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

It is a cyclic number.

It is not a de Polignac number, because 440405044223 - 2¹⁸ = 440404782079 is a prime.

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 440405044223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440405047223) 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, 12432278 + ... + 12467651.

It is an arithmetic number, because the mean of its divisors is an integer number (57518838300).

Almost surely, 2^440405044223 is an apocalyptic number.

440405044223 is a deficient number, since it is larger than the sum of its proper divisors (19745662177).

440405044223 is a wasteful number, since it uses less digits than its factorization.

440405044223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24900721.

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 440405044223 its reverse (322440504044), we get a palindrome (762845548267).

The spelling of 440405044223 in words is "four hundred forty billion, four hundred five million, forty-four thousand, two hundred twenty-three".