3244420345240 has 16 divisors (see below), whose sum is σ = 7299945776880. Its totient is φ = 1297768138080.

The previous prime is 3244420345211. The next prime is 3244420345249. The reversal of 3244420345240 is 425430244423.

It is a self number, because there is not a number n which added to its sum of digits gives 3244420345240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3244420345249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40555254276 + ... + 40555254355.

It is an arithmetic number, because the mean of its divisors is an integer number (456246611055).

Almost surely, 2^{3244420345240} is an apocalyptic number.

It is an amenable number.

3244420345240 is an abundant number, since it is smaller than the sum of its proper divisors (4055525431640).

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

3244420345240 is a wasteful number, since it uses less digits than its factorization.

3244420345240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81110508642 (or 81110508638 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 3244420345240 its reverse (425430244423), we get a palindrome (3669850589663).

The spelling of 3244420345240 in words is "three trillion, two hundred forty-four billion, four hundred twenty million, three hundred forty-five thousand, two hundred forty".