3240421031200 has 144 divisors (see below), whose sum is σ = 7964822796840. Its totient is φ = 1287325163520.

The previous prime is 3240421031191. The next prime is 3240421031227. The reversal of 3240421031200 is 21301240423.

It can be written as a sum of positive squares in 12 ways, for example, as 422172463504 + 2818248567696 = 649748^2 + 1678764^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73978906 + ... + 74022694.

Almost surely, 2^{3240421031200} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3240421031200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3982411398420).

3240421031200 is an abundant number, since it is smaller than the sum of its proper divisors (4724401765640).

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

3240421031200 is a wasteful number, since it uses less digits than its factorization.

3240421031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44439 (or 44426 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 3240421031200 its reverse (21301240423), we get a palindrome (3261722271623).

The spelling of 3240421031200 in words is "three trillion, two hundred forty billion, four hundred twenty-one million, thirty-one thousand, two hundred".