266040822 has 32 divisors (see below), whose sum is σ = 551752704. Its totient is φ = 85428000.

The previous prime is 266040799. The next prime is 266040823. The reversal of 266040822 is 228040662.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 266040822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266040823) 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, 39072 + ... + 45372.

It is an arithmetic number, because the mean of its divisors is an integer number (17242272).

Almost surely, 2^266040822 is an apocalyptic number.

266040822 is an abundant number, since it is smaller than the sum of its proper divisors (285711882).

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

266040822 is a wasteful number, since it uses less digits than its factorization.

266040822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 266040822 is about 16310.7578609947. The cubic root of 266040822 is about 643.1556566497.

The spelling of 266040822 in words is "two hundred sixty-six million, forty thousand, eight hundred twenty-two".