1144660266 has 24 divisors (see below), whose sum is σ = 2487469764. Its totient is φ = 380419200.

The previous prime is 1144660261. The next prime is 1144660277. The reversal of 1144660266 is 6620664411.

1144660266 is a `hidden beast` number, since 1 + 1 + 4 + 46 + 602 + 6 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1138050225 + 6610041 = 33735^2 + 2571^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1144660266.

It is not an unprimeable number, because it can be changed into a prime (1144660261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88285 + ... + 100416.

Almost surely, 2^1144660266 is an apocalyptic number.

1144660266 is an abundant number, since it is smaller than the sum of its proper divisors (1342809498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144660266 is a wasteful number, since it uses less digits than its factorization.

1144660266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189046 (or 189043 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1144660266 is about 33832.8282293987. The cubic root of 1144660266 is about 1046.0654764658.

The spelling of 1144660266 in words is "one billion, one hundred forty-four million, six hundred sixty thousand, two hundred sixty-six".