32197444368 has 160 divisors (see below), whose sum is σ = 86619979776. Its totient is φ = 10298824704.

The previous prime is 32197444351. The next prime is 32197444379. The reversal of 32197444368 is 86344479123.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 32197444368.

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 31 ways as a sum of consecutive naturals, for example, 29619921 + ... + 29621007.

Almost surely, 2^32197444368 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 32197444368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43309989888).

32197444368 is an abundant number, since it is smaller than the sum of its proper divisors (54422535408).

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

32197444368 is a wasteful number, since it uses less digits than its factorization.

32197444368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1375 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The spelling of 32197444368 in words is "thirty-two billion, one hundred ninety-seven million, four hundred forty-four thousand, three hundred sixty-eight".