440223255 has 60 divisors (see below), whose sum is σ = 833137272. Its totient is φ = 222354720.

The previous prime is 440223227. The next prime is 440223257. The reversal of 440223255 is 552322044.

It is a happy number.

440223255 is a `hidden beast` number, since 4 + 402 + 2 + 3 + 255 = 666.

It is not a de Polignac number, because 440223255 - 2⁸ = 440222999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440223257) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 144700 + ... + 147710.

Almost surely, 2^440223255 is an apocalyptic number.

440223255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

440223255 is a deficient number, since it is larger than the sum of its proper divisors (392914017).

440223255 is a wasteful number, since it uses less digits than its factorization.

440223255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066 (or 3038 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 440223255 is about 20981.4979207873. The cubic root of 440223255 is about 760.7191110301.

Adding to 440223255 its reverse (552322044), we get a palindrome (992545299).

The spelling of 440223255 in words is "four hundred forty million, two hundred twenty-three thousand, two hundred fifty-five".