32028312320 has 36 divisors (see below), whose sum is σ = 76717819920. Its totient is φ = 12811324416.

The previous prime is 32028312319. The next prime is 32028312347. The reversal of 32028312320 is 2321382023.

It is a self number, because there is not a number n which added to its sum of digits gives 32028312320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12509780 + ... + 12512339.

Almost surely, 2^32028312320 is an apocalyptic number.

It is an amenable number.

32028312320 is an abundant number, since it is smaller than the sum of its proper divisors (44689507600).

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

32028312320 is an equidigital number, since it uses as much as digits as its factorization.

32028312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25022140 (or 25022126 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 32028312320 its reverse (2321382023), we get a palindrome (34349694343).

The spelling of 32028312320 in words is "thirty-two billion, twenty-eight million, three hundred twelve thousand, three hundred twenty".