36640207242 has 12 divisors (see below), whose sum is σ = 79387115730. Its totient is φ = 12213402408.

The previous prime is 36640207223. The next prime is 36640207271. The reversal of 36640207242 is 24270204663.

36640207242 is a `hidden beast` number, since 3 + 6 + 6 + 402 + 0 + 7 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 35592972921 + 1047234321 = 188661^2 + 32361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36640207197 and 36640207206.

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 5 ways as a sum of consecutive naturals, for example, 1017783517 + ... + 1017783552.

Almost surely, 2^36640207242 is an apocalyptic number.

36640207242 is an abundant number, since it is smaller than the sum of its proper divisors (42746908488).

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

36640207242 is a wasteful number, since it uses less digits than its factorization.

36640207242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035567077 (or 2035567074 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The spelling of 36640207242 in words is "thirty-six billion, six hundred forty million, two hundred seven thousand, two hundred forty-two".