320441255 has 4 divisors (see below), whose sum is σ = 384529512. Its totient is φ = 256353000.

The previous prime is 320441249. The next prime is 320441257. The reversal of 320441255 is 552144023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 320441255 - 2⁸ = 320440999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320441257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32044121 + ... + 32044130.

It is an arithmetic number, because the mean of its divisors is an integer number (96132378).

Almost surely, 2^320441255 is an apocalyptic number.

320441255 is a deficient number, since it is larger than the sum of its proper divisors (64088257).

320441255 is an equidigital number, since it uses as much as digits as its factorization.

320441255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64088256.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 320441255 is about 17900.8730234031. The cubic root of 320441255 is about 684.3046240401.

Adding to 320441255 its reverse (552144023), we get a palindrome (872585278).

The spelling of 320441255 in words is "three hundred twenty million, four hundred forty-one thousand, two hundred fifty-five".