43663636140 has 96 divisors (see below), whose sum is σ = 123332751360. Its totient is φ = 11541751296.

The previous prime is 43663636139. The next prime is 43663636151. The reversal of 43663636140 is 4163636634.

It is a junction number, because it is equal to n+sod(n) for n = 43663636092 and 43663636101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3166581 + ... + 3180339.

It is an arithmetic number, because the mean of its divisors is an integer number (1284716160).

Almost surely, 2^43663636140 is an apocalyptic number.

It is an amenable number.

43663636140 is an abundant number, since it is smaller than the sum of its proper divisors (79669115220).

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

43663636140 is a wasteful number, since it uses less digits than its factorization.

43663636140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14231 (or 14229 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 42.

The spelling of 43663636140 in words is "forty-three billion, six hundred sixty-three million, six hundred thirty-six thousand, one hundred forty".