32531066880 has 416 divisors, whose sum is σ = 113224520640. Its totient is φ = 7974420480.

The previous prime is 32531066863. The next prime is 32531066881. The reversal of 32531066880 is 8866013523.

It is a tau number, because it is divible by the number of its divisors (416).

It is not an unprimeable number, because it can be changed into a prime (32531066881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134983560 + ... + 134983800.

Almost surely, 2^32531066880 is an apocalyptic number.

32531066880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32531066880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56612260320).

32531066880 is an abundant number, since it is smaller than the sum of its proper divisors (80693453760).

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

32531066880 is an equidigital number, since it uses as much as digits as its factorization.

32531066880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 32531066880 in words is "thirty-two billion, five hundred thirty-one million, sixty-six thousand, eight hundred eighty".