804011266 has 4 divisors (see below), whose sum is σ = 1206016902. Its totient is φ = 402005632.

The previous prime is 804011261. The next prime is 804011297. The reversal of 804011266 is 662110408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 721728225 + 82283041 = 26865^2 + 9071^2 .

It is not an unprimeable number, because it can be changed into a prime (804011261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201002815 + ... + 201002818.

Almost surely, 2^804011266 is an apocalyptic number.

804011266 is a deficient number, since it is larger than the sum of its proper divisors (402005636).

804011266 is a wasteful number, since it uses less digits than its factorization.

804011266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402005635.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 804011266 is about 28355.0924174124. The cubic root of 804011266 is about 929.8667346718.

It can be divided in two parts, 8040 and 11266, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 804011266 in words is "eight hundred four million, eleven thousand, two hundred sixty-six".