3636364040 has 16 divisors (see below), whose sum is σ = 8181819180. Its totient is φ = 1454545600.

The previous prime is 3636364037. The next prime is 3636364049. The reversal of 3636364040 is 404636363.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3608885476 + 27478564 = 60074^2 + 5242^2 .

It is not an unprimeable number, because it can be changed into a prime (3636364049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45454511 + ... + 45454590.

Almost surely, 2^3636364040 is an apocalyptic number.

It is an amenable number.

3636364040 is an abundant number, since it is smaller than the sum of its proper divisors (4545455140).

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

3636364040 is a wasteful number, since it uses less digits than its factorization.

3636364040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90909112 (or 90909108 counting only the distinct ones).

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

The square root of 3636364040 is about 60302.2722623286. The cubic root of 3636364040 is about 1537.7619765544.

The spelling of 3636364040 in words is "three billion, six hundred thirty-six million, three hundred sixty-four thousand, forty".