32400000321 has 16 divisors (see below), whose sum is σ = 46540529280. Its totient is φ = 19930982400.

The previous prime is 32400000317. The next prime is 32400000349. The reversal of 32400000321 is 12300000423.

It is not a de Polignac number, because 32400000321 - 2² = 32400000317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32400000321.

It is not an unprimeable number, because it can be changed into a prime (32400000421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49605 + ... + 259346.

It is an arithmetic number, because the mean of its divisors is an integer number (2908783080).

Almost surely, 2^32400000321 is an apocalyptic number.

It is an amenable number.

32400000321 is a deficient number, since it is larger than the sum of its proper divisors (14140528959).

32400000321 is a wasteful number, since it uses less digits than its factorization.

32400000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311656.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 32400000321 its reverse (12300000423), we get a palindrome (44700000744).

The spelling of 32400000321 in words is "thirty-two billion, four hundred million, three hundred twenty-one", and thus it is an aban number.