3201324140240 has 120 divisors (see below), whose sum is σ = 7995505408920. Its totient is φ = 1191661993984.

The previous prime is 3201324140233. The next prime is 3201324140249. The reversal of 3201324140240 is 420414231023.

It can be written as a sum of positive squares in 12 ways, for example, as 4179881104 + 3197144259136 = 64652^2 + 1788056^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201324140249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1279784 + ... + 2835576.

It is an arithmetic number, because the mean of its divisors is an integer number (66629211741).

Almost surely, 2^{3201324140240} 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 3201324140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3997752704460).

3201324140240 is an abundant number, since it is smaller than the sum of its proper divisors (4794181268680).

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

3201324140240 is a wasteful number, since it uses less digits than its factorization.

3201324140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555929 (or 1555906 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 3201324140240 its reverse (420414231023), we get a palindrome (3621738371263).

The spelling of 3201324140240 in words is "three trillion, two hundred one billion, three hundred twenty-four million, one hundred forty thousand, two hundred forty".