320368576 has 112 divisors (see below), whose sum is σ = 748344960. Its totient is φ = 134507520.

The previous prime is 320368571. The next prime is 320368577. The reversal of 320368576 is 675863023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320368571) 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 15 ways as a sum of consecutive naturals, for example, 574890 + ... + 575446.

Almost surely, 2^320368576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320368576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374172480).

320368576 is an abundant number, since it is smaller than the sum of its proper divisors (427976384).

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

320368576 is a wasteful number, since it uses less digits than its factorization.

320368576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 320368576 is about 17898.8428676269. The cubic root of 320368576 is about 684.2528846177.

The spelling of 320368576 in words is "three hundred twenty million, three hundred sixty-eight thousand, five hundred seventy-six".