320034320 has 40 divisors (see below), whose sum is σ = 745975320. Its totient is φ = 127687680.

The previous prime is 320034317. The next prime is 320034371. The reversal of 320034320 is 23430023.

It can be written as a sum of positive squares in 4 ways, for example, as 82011136 + 238023184 = 9056^2 + 15428^2 .

It is a tau number, because it is divible by the number of its divisors (40).

320034320 is a modest number, since divided by 34320 gives 320 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27830 + ... + 37610.

It is an arithmetic number, because the mean of its divisors is an integer number (18649383).

Almost surely, 2^320034320 is an apocalyptic number.

It is an amenable number.

320034320 is an abundant number, since it is smaller than the sum of its proper divisors (425941000).

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

320034320 is a wasteful number, since it uses less digits than its factorization.

320034320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203 (or 10197 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 320034320 is about 17889.5030674415. The cubic root of 320034320 is about 684.0148304526.

Adding to 320034320 its reverse (23430023), we get a palindrome (343464343).

The spelling of 320034320 in words is "three hundred twenty million, thirty-four thousand, three hundred twenty".