320426255 has 8 divisors (see below), whose sum is σ = 388832400. Its totient is φ = 253460416.

The previous prime is 320426233. The next prime is 320426257. The reversal of 320426255 is 552624023.

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 320426255 - 2⁸ = 320425999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320426257) 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 7 ways as a sum of consecutive naturals, for example, 359585 + ... + 360474.

It is an arithmetic number, because the mean of its divisors is an integer number (48604050).

Almost surely, 2^320426255 is an apocalyptic number.

320426255 is a deficient number, since it is larger than the sum of its proper divisors (68406145).

320426255 is an equidigital number, since it uses as much as digits as its factorization.

320426255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720153.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 320426255 is about 17900.4540445208. The cubic root of 320426255 is about 684.2939463372.

The spelling of 320426255 in words is "three hundred twenty million, four hundred twenty-six thousand, two hundred fifty-five".