3256865200040 has 64 divisors (see below), whose sum is σ = 7342383283200. Its totient is φ = 1300181695488.

The previous prime is 3256865200031. The next prime is 3256865200051. The reversal of 3256865200040 is 400025686523.

It is a happy number.

3256865200040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51074657 + ... + 51138383.

It is an arithmetic number, because the mean of its divisors is an integer number (114724738800).

Almost surely, 2^{3256865200040} is an apocalyptic number.

It is an amenable number.

3256865200040 is an abundant number, since it is smaller than the sum of its proper divisors (4085518083160).

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

3256865200040 is a wasteful number, since it uses less digits than its factorization.

3256865200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66234 (or 66230 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 3256865200040 in words is "three trillion, two hundred fifty-six billion, eight hundred sixty-five million, two hundred thousand, forty".