32440442402312 has 64 divisors (see below), whose sum is σ = 71418579552000. Its totient is φ = 13522636060416.

The previous prime is 32440442402287. The next prime is 32440442402317. The reversal of 32440442402312 is 21320424404423.

It is not an unprimeable number, because it can be changed into a prime (32440442402317) 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 15 ways as a sum of consecutive naturals, for example, 3336389 + ... + 8718507.

It is an arithmetic number, because the mean of its divisors is an integer number (1115915305500).

Almost surely, 2^{32440442402312} 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 32440442402312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35709289776000).

32440442402312 is an abundant number, since it is smaller than the sum of its proper divisors (38978137149688).

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

32440442402312 is a wasteful number, since it uses less digits than its factorization.

32440442402312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385078 (or 5385074 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 32440442402312 its reverse (21320424404423), we get a palindrome (53760866806735).

The spelling of 32440442402312 in words is "thirty-two trillion, four hundred forty billion, four hundred forty-two million, four hundred two thousand, three hundred twelve".