32381063680 has 160 divisors (see below), whose sum is σ = 88899845760. Its totient is φ = 11080826880.

The previous prime is 32381063657. The next prime is 32381063707. The reversal of 32381063680 is 8636018323.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 11485311 + ... + 11488129.

It is an arithmetic number, because the mean of its divisors is an integer number (555624036).

Almost surely, 2^32381063680 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 32381063680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44449922880).

32381063680 is an abundant number, since it is smaller than the sum of its proper divisors (56518782080).

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

32381063680 is an equidigital number, since it uses as much as digits as its factorization.

32381063680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490 (or 3474 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 32381063680 in words is "thirty-two billion, three hundred eighty-one million, sixty-three thousand, six hundred eighty".