32669823280 has 80 divisors (see below), whose sum is σ = 77475800160. Its totient is φ = 12807235584.

The previous prime is 32669823271. The next prime is 32669823311. The reversal of 32669823280 is 8232896623.

It is a tau number, because it is divible by the number of its divisors (80).

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, 4376191 + ... + 4383649.

It is an arithmetic number, because the mean of its divisors is an integer number (968447502).

Almost surely, 2^32669823280 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 32669823280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38737900080).

32669823280 is an abundant number, since it is smaller than the sum of its proper divisors (44805976880).

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

32669823280 is a wasteful number, since it uses less digits than its factorization.

32669823280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8558 (or 8552 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 32669823280 in words is "thirty-two billion, six hundred sixty-nine million, eight hundred twenty-three thousand, two hundred eighty".