3280992169728 has 864 divisors, whose sum is σ = 11464238069760. Its totient is φ = 824649154560.

The previous prime is 3280992169727. The next prime is 3280992169757. The reversal of 3280992169728 is 8279612990823.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280992169727) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1016100018 + ... + 1016103246.

Almost surely, 2^{3280992169728} 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 3280992169728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5732119034880).

3280992169728 is an abundant number, since it is smaller than the sum of its proper divisors (8183245900032).

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

3280992169728 is a wasteful number, since it uses less digits than its factorization.

3280992169728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373 (or 3352 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 66.

The spelling of 3280992169728 in words is "three trillion, two hundred eighty billion, nine hundred ninety-two million, one hundred sixty-nine thousand, seven hundred twenty-eight".