266047244 has 12 divisors (see below), whose sum is σ = 465718344. Its totient is φ = 132984864.

The previous prime is 266047241. The next prime is 266047267. The reversal of 266047244 is 442740662.

It is a super-2 number, since 2×266047244² = 141562272079991072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266047241) 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, 10367 + ... + 25289.

It is an arithmetic number, because the mean of its divisors is an integer number (38809862).

Almost surely, 2^266047244 is an apocalyptic number.

It is an amenable number.

266047244 is a deficient number, since it is larger than the sum of its proper divisors (199671100).

266047244 is a wasteful number, since it uses less digits than its factorization.

266047244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19384 (or 19382 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 266047244 is about 16310.9547237432. The cubic root of 266047244 is about 643.1608316856.

The spelling of 266047244 in words is "two hundred sixty-six million, forty-seven thousand, two hundred forty-four".