266012445 has 32 divisors (see below), whose sum is σ = 454740480. Its totient is φ = 132390720.

The previous prime is 266012443. The next prime is 266012471. The reversal of 266012445 is 544210662.

It is not a de Polignac number, because 266012445 - 2¹ = 266012443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266012441) 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 31 ways as a sum of consecutive naturals, for example, 12130 + ... + 26060.

It is an arithmetic number, because the mean of its divisors is an integer number (14210640).

Almost surely, 2^266012445 is an apocalyptic number.

It is an amenable number.

266012445 is a deficient number, since it is larger than the sum of its proper divisors (188728035).

266012445 is a wasteful number, since it uses less digits than its factorization.

266012445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14025.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 266012445 is about 16309.8879517917. The cubic root of 266012445 is about 643.1327886341.

The spelling of 266012445 in words is "two hundred sixty-six million, twelve thousand, four hundred forty-five".