320033232340 has 24 divisors (see below), whose sum is σ = 690233837832. Its totient is φ = 124553473920.

The previous prime is 320033232283. The next prime is 320033232341. The reversal of 320033232340 is 43232330023.

It can be written as a sum of positive squares in 4 ways, for example, as 101491942084 + 218541290256 = 318578^2 + 467484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320033232341) 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, 216237931 + ... + 216239410.

It is an arithmetic number, because the mean of its divisors is an integer number (28759743243).

Almost surely, 2^320033232340 is an apocalyptic number.

It is an amenable number.

320033232340 is an abundant number, since it is smaller than the sum of its proper divisors (370200605492).

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

320033232340 is a wasteful number, since it uses less digits than its factorization.

320033232340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432477387 (or 432477385 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 25.

Adding to 320033232340 its reverse (43232330023), we get a palindrome (363265562363).

The spelling of 320033232340 in words is "three hundred twenty billion, thirty-three million, two hundred thirty-two thousand, three hundred forty".