27806040272 has 10 divisors (see below), whose sum is σ = 53874203058. Its totient is φ = 13903020128.

The previous prime is 27806040211. The next prime is 27806040329. The reversal of 27806040272 is 27204060872.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26199954496 + 1606085776 = 161864^2 + 40076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 868938743 + ... + 868938774.

Almost surely, 2^27806040272 is an apocalyptic number.

It is an amenable number.

27806040272 is a deficient number, since it is larger than the sum of its proper divisors (26068162786).

27806040272 is a wasteful number, since it uses less digits than its factorization.

27806040272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737877525 (or 1737877519 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 27806040272 in words is "twenty-seven billion, eight hundred six million, forty thousand, two hundred seventy-two".