32439645028 has 36 divisors (see below), whose sum is σ = 67157158320. Its totient is φ = 13667061072.

The previous prime is 32439644983. The next prime is 32439645061. The reversal of 32439645028 is 82054693423.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1391050 + ... + 1414177.

It is an arithmetic number, because the mean of its divisors is an integer number (1865476620).

Almost surely, 2^32439645028 is an apocalyptic number.

It is an amenable number.

32439645028 is an abundant number, since it is smaller than the sum of its proper divisors (34717513292).

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

32439645028 is a wasteful number, since it uses less digits than its factorization.

32439645028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805304 (or 2805295 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 32439645028 in words is "thirty-two billion, four hundred thirty-nine million, six hundred forty-five thousand, twenty-eight".