3636040165428 has 48 divisors (see below), whose sum is σ = 9268106125824. Its totient is φ = 1100314739040.

The previous prime is 3636040165403. The next prime is 3636040165487. The reversal of 3636040165428 is 8245610406363.

It is a congruent number.

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, 18848850 + ... + 19040777.

It is an arithmetic number, because the mean of its divisors is an integer number (193085544288).

Almost surely, 2^{3636040165428} is an apocalyptic number.

It is an amenable number.

3636040165428 is an abundant number, since it is smaller than the sum of its proper divisors (5632065960396).

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

3636040165428 is a wasteful number, since it uses less digits than its factorization.

3636040165428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37890372 (or 37890370 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 3636040165428 in words is "three trillion, six hundred thirty-six billion, forty million, one hundred sixty-five thousand, four hundred twenty-eight".