32404312432 has 80 divisors (see below), whose sum is σ = 67752806400. Its totient is φ = 14965205760.

The previous prime is 32404312379. The next prime is 32404312441. The reversal of 32404312432 is 23421340423.

It is a self number, because there is not a number n which added to its sum of digits gives 32404312432.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3839257 + ... + 3847687.

It is an arithmetic number, because the mean of its divisors is an integer number (846910080).

Almost surely, 2^32404312432 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 32404312432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33876403200).

32404312432 is an abundant number, since it is smaller than the sum of its proper divisors (35348493968).

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

32404312432 is a wasteful number, since it uses less digits than its factorization.

32404312432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8774 (or 8768 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 32404312432 its reverse (23421340423), we get a palindrome (55825652855).

The spelling of 32404312432 in words is "thirty-two billion, four hundred four million, three hundred twelve thousand, four hundred thirty-two".