266550484 has 12 divisors (see below), whose sum is σ = 482548500. Its totient is φ = 128679488.

The previous prime is 266550481. The next prime is 266550499. The reversal of 266550484 is 484055662.

It can be written as a sum of positive squares in 2 ways, for example, as 46621584 + 219928900 = 6828^2 + 14830^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266550481) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1148809 + ... + 1149040.

It is an arithmetic number, because the mean of its divisors is an integer number (40212375).

Almost surely, 2^266550484 is an apocalyptic number.

It is an amenable number.

266550484 is a deficient number, since it is larger than the sum of its proper divisors (215998016).

266550484 is a wasteful number, since it uses less digits than its factorization.

266550484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297882 (or 2297880 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 266550484 is about 16326.3738778701. The cubic root of 266550484 is about 643.5660985488.

The spelling of 266550484 in words is "two hundred sixty-six million, five hundred fifty thousand, four hundred eighty-four".