320244055 has 8 divisors (see below), whose sum is σ = 384562944. Its totient is φ = 256015200.

The previous prime is 320244053. The next prime is 320244103. The reversal of 320244055 is 550442023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320244055 - 2¹ = 320244053 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 (320244053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14416 + ... + 29125.

It is an arithmetic number, because the mean of its divisors is an integer number (48070368).

Almost surely, 2^320244055 is an apocalyptic number.

320244055 is a deficient number, since it is larger than the sum of its proper divisors (64318889).

320244055 is a wasteful number, since it uses less digits than its factorization.

320244055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45017.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 320244055 is about 17895.3640644721. The cubic root of 320244055 is about 684.1642212248.

Adding to 320244055 its reverse (550442023), we get a palindrome (870686078).

The spelling of 320244055 in words is "three hundred twenty million, two hundred forty-four thousand, fifty-five".