320655040036 has 12 divisors (see below), whose sum is σ = 562396092300. Its totient is φ = 159970442240.

The previous prime is 320655040031. The next prime is 320655040103. The reversal of 320655040036 is 630040556023.

It can be written as a sum of positive squares in 2 ways, for example, as 282286065636 + 38368974400 = 531306^2 + 195880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320655039983 and 320655040010.

It is not an unprimeable number, because it can be changed into a prime (320655040031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89267425 + ... + 89271016.

It is an arithmetic number, because the mean of its divisors is an integer number (46866341025).

Almost surely, 2^320655040036 is an apocalyptic number.

It is an amenable number.

320655040036 is a deficient number, since it is larger than the sum of its proper divisors (241741052264).

320655040036 is a wasteful number, since it uses less digits than its factorization.

320655040036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178538894 (or 178538892 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 320655040036 its reverse (630040556023), we get a palindrome (950695596059).

The spelling of 320655040036 in words is "three hundred twenty billion, six hundred fifty-five million, forty thousand, thirty-six".