3244786978368 has 112 divisors (see below), whose sum is σ = 9249022863360. Its totient is φ = 998022365184.

The previous prime is 3244786978339. The next prime is 3244786978387. The reversal of 3244786978368 is 8638796874423.

It is a self number, because there is not a number n which added to its sum of digits gives 3244786978368.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6464848 + ... + 6948656.

It is an arithmetic number, because the mean of its divisors is an integer number (82580561280).

Almost surely, 2^{3244786978368} 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 3244786978368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4624511431680).

3244786978368 is an abundant number, since it is smaller than the sum of its proper divisors (6004235884992).

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

3244786978368 is a wasteful number, since it uses less digits than its factorization.

3244786978368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486524 (or 486514 counting only the distinct ones).

The product of its digits is 2341011456, while the sum is 75.

The spelling of 3244786978368 in words is "three trillion, two hundred forty-four billion, seven hundred eighty-six million, nine hundred seventy-eight thousand, three hundred sixty-eight".