32517906680 has 128 divisors (see below), whose sum is σ = 89081441280. Its totient is φ = 10428549120.

The previous prime is 32517906653. The next prime is 32517906689. The reversal of 32517906680 is 8660971523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32517906689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 754925 + ... + 796835.

It is an arithmetic number, because the mean of its divisors is an integer number (695948760).

Almost surely, 2^32517906680 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 32517906680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44540720640).

32517906680 is an abundant number, since it is smaller than the sum of its proper divisors (56563534600).

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

32517906680 is a wasteful number, since it uses less digits than its factorization.

32517906680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42109 (or 42105 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 32517906680 in words is "thirty-two billion, five hundred seventeen million, nine hundred six thousand, six hundred eighty".