3636404036 has 24 divisors (see below), whose sum is σ = 6575890944. Its totient is φ = 1757701440.

The previous prime is 3636403987. The next prime is 3636404063. The reversal of 3636404036 is 6304046363.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3636403987 and 3636404005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106976 + ... + 136808.

It is an arithmetic number, because the mean of its divisors is an integer number (273995456).

Almost surely, 2^3636404036 is an apocalyptic number.

It is an amenable number.

3636404036 is a deficient number, since it is larger than the sum of its proper divisors (2939486908).

3636404036 is a wasteful number, since it uses less digits than its factorization.

3636404036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30851 (or 30849 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

The square root of 3636404036 is about 60302.6038907111. The cubic root of 3636404036 is about 1537.7676144299.

The spelling of 3636404036 in words is "three billion, six hundred thirty-six million, four hundred four thousand, thirty-six".