440255233 has 6 divisors (see below), whose sum is σ = 483917042. Its totient is φ = 400231920.

The previous prime is 440255219. The next prime is 440255243. The reversal of 440255233 is 332552044.

It can be written as a sum of positive squares in only one way, i.e., 255104784 + 185150449 = 15972^2 + 13607^2 .

It is not a de Polignac number, because 440255233 - 2¹⁷ = 440124161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440255203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1819116 + ... + 1819357.

Almost surely, 2^440255233 is an apocalyptic number.

It is an amenable number.

440255233 is a deficient number, since it is larger than the sum of its proper divisors (43661809).

440255233 is a wasteful number, since it uses less digits than its factorization.

440255233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638495 (or 3638484 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 440255233 is about 20982.2599593085. The cubic root of 440255233 is about 760.7375302348.

The spelling of 440255233 in words is "four hundred forty million, two hundred fifty-five thousand, two hundred thirty-three".