32944641816 has 16 divisors (see below), whose sum is σ = 82361604600. Its totient is φ = 10981547264.

The previous prime is 32944641787. The next prime is 32944641817. The reversal of 32944641816 is 61814644923.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32944641817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686346681 + ... + 686346728.

Almost surely, 2^32944641816 is an apocalyptic number.

It is an amenable number.

32944641816 is an abundant number, since it is smaller than the sum of its proper divisors (49416962784).

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

32944641816 is a wasteful number, since it uses less digits than its factorization.

32944641816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372693418 (or 1372693414 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The spelling of 32944641816 in words is "thirty-two billion, nine hundred forty-four million, six hundred forty-one thousand, eight hundred sixteen".