32401065856 has 32 divisors (see below), whose sum is σ = 64559812680. Its totient is φ = 16197818880.

The previous prime is 32401065761. The next prime is 32401065869. The reversal of 32401065856 is 65856010423.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902326 + ... + 937546.

Almost surely, 2^32401065856 is an apocalyptic number.

It is an amenable number.

32401065856 is a deficient number, since it is larger than the sum of its proper divisors (32158746824).

32401065856 is an equidigital number, since it uses as much as digits as its factorization.

32401065856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42422 (or 42410 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 32401065856 in words is "thirty-two billion, four hundred one million, sixty-five thousand, eight hundred fifty-six".