266004213340244 has 12 divisors (see below), whose sum is σ = 471884186679444. Its totient is φ = 131180160003264.

The previous prime is 266004213340223. The next prime is 266004213340247. The reversal of 266004213340244 is 442043312400662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101333415602500 + 164670797737744 = 10066450^2 + 12832412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266004213340247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455486666387 + ... + 455486666970.

It is an arithmetic number, because the mean of its divisors is an integer number (39323682223287).

Almost surely, 2^{266004213340244} is an apocalyptic number.

It is an amenable number.

266004213340244 is a deficient number, since it is larger than the sum of its proper divisors (205879973339200).

266004213340244 is a wasteful number, since it uses less digits than its factorization.

266004213340244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910973333434 (or 910973333432 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 41.

The spelling of 266004213340244 in words is "two hundred sixty-six trillion, four billion, two hundred thirteen million, three hundred forty thousand, two hundred forty-four".