32144442312 has 32 divisors (see below), whose sum is σ = 80443925280. Its totient is φ = 10703771520.

The previous prime is 32144442311. The next prime is 32144442361. The reversal of 32144442312 is 21324444123.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 32144442312.

It is not an unprimeable number, because it can be changed into a prime (32144442311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666373 + ... + 712980.

It is an arithmetic number, because the mean of its divisors is an integer number (2513872665).

Almost surely, 2^32144442312 is an apocalyptic number.

It is an amenable number.

32144442312 is an abundant number, since it is smaller than the sum of its proper divisors (48299482968).

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

32144442312 is a wasteful number, since it uses less digits than its factorization.

32144442312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380333 (or 1380329 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 32144442312 its reverse (21324444123), we get a palindrome (53468886435).

The spelling of 32144442312 in words is "thirty-two billion, one hundred forty-four million, four hundred forty-two thousand, three hundred twelve".