320242402334240 has 96 divisors (see below), whose sum is σ = 763286668063920. Its totient is φ = 126960255729664.

The previous prime is 320242402334227. The next prime is 320242402334243. The reversal of 320242402334240 is 42433204242023.

It can be written as a sum of positive squares in 8 ways, for example, as 19062899067664 + 301179503266576 = 4366108^2 + 17354524^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 320242402334240.

It is not an unprimeable number, because it can be changed into a prime (320242402334243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826731326 + ... + 827118594.

Almost surely, 2^{320242402334240} is an apocalyptic number.

It is an amenable number.

320242402334240 is an abundant number, since it is smaller than the sum of its proper divisors (443044265729680).

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

320242402334240 is a wasteful number, since it uses less digits than its factorization.

320242402334240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433134 (or 433126 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 320242402334240 its reverse (42433204242023), we get a palindrome (362675606576263).

The spelling of 320242402334240 in words is "three hundred twenty trillion, two hundred forty-two billion, four hundred two million, three hundred thirty-four thousand, two hundred forty".