14388140266 has 16 divisors (see below), whose sum is σ = 21643941960. Its totient is φ = 7173521920.

The previous prime is 14388140231. The next prime is 14388140323. The reversal of 14388140266 is 66204188341.

It can be written as a sum of positive squares in 4 ways, for example, as 13941705625 + 446434641 = 118075^2 + 21129^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105356 + ... + 1118296.

Almost surely, 2^14388140266 is an apocalyptic number.

14388140266 is a deficient number, since it is larger than the sum of its proper divisors (7255801694).

14388140266 is a wasteful number, since it uses less digits than its factorization.

14388140266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14489.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 14388140266 in words is "fourteen billion, three hundred eighty-eight million, one hundred forty thousand, two hundred sixty-six".