32640436144 has 10 divisors (see below), whose sum is σ = 63240845060. Its totient is φ = 16320218064.

The previous prime is 32640436141. The next prime is 32640436151. The reversal of 32640436144 is 44163404623.

It is not an unprimeable number, because it can be changed into a prime (32640436141) 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 as a sum of consecutive naturals, namely, 1020013614 + ... + 1020013645.

It is an arithmetic number, because the mean of its divisors is an integer number (6324084506).

Almost surely, 2^32640436144 is an apocalyptic number.

It is an amenable number.

32640436144 is a deficient number, since it is larger than the sum of its proper divisors (30600408916).

32640436144 is a wasteful number, since it uses less digits than its factorization.

32640436144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040027267 (or 2040027261 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 32640436144 in words is "thirty-two billion, six hundred forty million, four hundred thirty-six thousand, one hundred forty-four".