320454255 has 32 divisors (see below), whose sum is σ = 560141568. Its totient is φ = 155148800.

The previous prime is 320454221. The next prime is 320454269. The reversal of 320454255 is 552454023.

It is a de Polignac number, because none of the positive numbers 2^k-320454255 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223852 + ... + 225278.

It is an arithmetic number, because the mean of its divisors is an integer number (17504424).

Almost surely, 2^320454255 is an apocalyptic number.

320454255 is a deficient number, since it is larger than the sum of its proper divisors (239687313).

320454255 is a wasteful number, since it uses less digits than its factorization.

320454255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 320454255 is about 17901.2361305023. The cubic root of 320454255 is about 684.3138777797.

The spelling of 320454255 in words is "three hundred twenty million, four hundred fifty-four thousand, two hundred fifty-five".