32091444688 has 10 divisors (see below), whose sum is σ = 62177174114. Its totient is φ = 16045722336.

The previous prime is 32091444661. The next prime is 32091444751. The reversal of 32091444688 is 88644419023.

It can be written as a sum of positive squares in only one way, i.e., 22024934464 + 10066510224 = 148408^2 + 100332^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002857631 + ... + 1002857662.

Almost surely, 2^32091444688 is an apocalyptic number.

It is an amenable number.

32091444688 is a deficient number, since it is larger than the sum of its proper divisors (30085729426).

32091444688 is a wasteful number, since it uses less digits than its factorization.

32091444688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005715301 (or 2005715295 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 32091444688 in words is "thirty-two billion, ninety-one million, four hundred forty-four thousand, six hundred eighty-eight".