440340223 has 8 divisors (see below), whose sum is σ = 442498896. Its totient is φ = 438187200.

The previous prime is 440340217. The next prime is 440340247. The reversal of 440340223 is 322043044.

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 440340223 - 2⁵ = 440340191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440340194 and 440340203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440340283) 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, 255003 + ... + 256723.

It is an arithmetic number, because the mean of its divisors is an integer number (55312362).

Almost surely, 2^440340223 is an apocalyptic number.

440340223 is a deficient number, since it is larger than the sum of its proper divisors (2158673).

440340223 is a wasteful number, since it uses less digits than its factorization.

440340223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 440340223 is about 20984.2851438880. The cubic root of 440340223 is about 760.7864798121.

Adding to 440340223 its reverse (322043044), we get a palindrome (762383267).

The spelling of 440340223 in words is "four hundred forty million, three hundred forty thousand, two hundred twenty-three".