32321055432 has 32 divisors (see below), whose sum is σ = 81909528480. Its totient is φ = 10626099840.

The previous prime is 32321055419. The next prime is 32321055433. The reversal of 32321055432 is 23455012323.

It is a self number, because there is not a number n which added to its sum of digits gives 32321055432.

It is not an unprimeable number, because it can be changed into a prime (32321055433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9222294 + ... + 9225797.

It is an arithmetic number, because the mean of its divisors is an integer number (2559672765).

Almost surely, 2^32321055432 is an apocalyptic number.

It is an amenable number.

32321055432 is an abundant number, since it is smaller than the sum of its proper divisors (49588473048).

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

32321055432 is a wasteful number, since it uses less digits than its factorization.

32321055432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18448173 (or 18448169 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 32321055432 its reverse (23455012323), we get a palindrome (55776067755).

The spelling of 32321055432 in words is "thirty-two billion, three hundred twenty-one million, fifty-five thousand, four hundred thirty-two".