266040226 has 32 divisors (see below), whose sum is σ = 421521408. Its totient is φ = 125784960.

The previous prime is 266040217. The next prime is 266040227. The reversal of 266040226 is 622040662.

266040226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 266040194 and 266040203.

It is not an unprimeable number, because it can be changed into a prime (266040227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694431 + ... + 694813.

It is an arithmetic number, because the mean of its divisors is an integer number (13172544).

Almost surely, 2^266040226 is an apocalyptic number.

266040226 is a deficient number, since it is larger than the sum of its proper divisors (155481182).

266040226 is a wasteful number, since it uses less digits than its factorization.

266040226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 266040226 is about 16310.7395908340. The cubic root of 266040226 is about 643.1551763712.

Adding to 266040226 its reverse (622040662), we get a palindrome (888080888).

The spelling of 266040226 in words is "two hundred sixty-six million, forty thousand, two hundred twenty-six".