236405640002 has 12 divisors (see below), whose sum is σ = 412503718950. Its totient is φ = 101316702816.

The previous prime is 236405639999. The next prime is 236405640013. The reversal of 236405640002 is 200046504632.

It can be written as a sum of positive squares in only one way, i.e., 208703699281 + 27701940721 = 456841^2 + 166439^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1206151127 + ... + 1206151322.

Almost surely, 2^236405640002 is an apocalyptic number.

236405640002 is a deficient number, since it is larger than the sum of its proper divisors (176098078948).

236405640002 is a wasteful number, since it uses less digits than its factorization.

236405640002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412302465 (or 2412302458 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 236405640002 in words is "two hundred thirty-six billion, four hundred five million, six hundred forty thousand, two".