32239041728 has 56 divisors (see below), whose sum is σ = 66513699840. Its totient is φ = 15487176960.

The previous prime is 32239041707. The next prime is 32239041763. The reversal of 32239041728 is 82714093223.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217325 + ... + 334227.

It is an arithmetic number, because the mean of its divisors is an integer number (1187744640).

Almost surely, 2^32239041728 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 32239041728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33256849920).

32239041728 is an abundant number, since it is smaller than the sum of its proper divisors (34274658112).

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

32239041728 is a wasteful number, since it uses less digits than its factorization.

32239041728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117085 (or 117075 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 32239041728 in words is "thirty-two billion, two hundred thirty-nine million, forty-one thousand, seven hundred twenty-eight".