3636041209872 has 40 divisors (see below), whose sum is σ = 9611550800544. Its totient is φ = 1183827369984.

The previous prime is 3636041209847. The next prime is 3636041209883. The reversal of 3636041209872 is 2789021406363.

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 7 ways as a sum of consecutive naturals, for example, 880821873 + ... + 880826000.

Almost surely, 2^{3636041209872} is an apocalyptic number.

It is an amenable number.

3636041209872 is an abundant number, since it is smaller than the sum of its proper divisors (5975509590672).

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

3636041209872 is a wasteful number, since it uses less digits than its factorization.

3636041209872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761647927 (or 1761647921 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 3636041209872 in words is "three trillion, six hundred thirty-six billion, forty-one million, two hundred nine thousand, eight hundred seventy-two".