320741344 has 48 divisors (see below), whose sum is σ = 787280256. Its totient is φ = 124963200.

The previous prime is 320741339. The next prime is 320741359. The reversal of 320741344 is 443147023.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62622 + ... + 67549.

It is an arithmetic number, because the mean of its divisors is an integer number (16401672).

Almost surely, 2^320741344 is an apocalyptic number.

It is an amenable number.

320741344 is an abundant number, since it is smaller than the sum of its proper divisors (466538912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320741344 is a wasteful number, since it uses less digits than its factorization.

320741344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130199 (or 130191 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 320741344 is about 17909.2530274157. The cubic root of 320741344 is about 684.5181714712.

Adding to 320741344 its reverse (443147023), we get a palindrome (763888367).

It can be divided in two parts, 3207 and 41344, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 320741344 in words is "three hundred twenty million, seven hundred forty-one thousand, three hundred forty-four".