320247671200 has 72 divisors (see below), whose sum is σ = 792514424268. Its totient is φ = 126344263680.

The previous prime is 320247671197. The next prime is 320247671207. The reversal of 320247671200 is 2176742023.

It can be written as a sum of positive squares in 6 ways, for example, as 221995514896 + 98252156304 = 471164^2 + 313452^2 .

It is not an unprimeable number, because it can be changed into a prime (320247671207) 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 11 ways as a sum of consecutive naturals, for example, 2683447 + ... + 2800246.

Almost surely, 2^320247671200 is an apocalyptic number.

It is an amenable number.

320247671200 is an abundant number, since it is smaller than the sum of its proper divisors (472266753068).

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

320247671200 is a wasteful number, since it uses less digits than its factorization.

320247671200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483786 (or 5483773 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 320247671200 in words is "three hundred twenty billion, two hundred forty-seven million, six hundred seventy-one thousand, two hundred".