266480446 has 4 divisors (see below), whose sum is σ = 399720672. Its totient is φ = 133240222.

The previous prime is 266480413. The next prime is 266480447. The reversal of 266480446 is 644084662.

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

It is a junction number, because it is equal to n+sod(n) for n = 266480399 and 266480408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266480447) 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 as a sum of consecutive naturals, namely, 66620110 + ... + 66620113.

It is an arithmetic number, because the mean of its divisors is an integer number (99930168).

Almost surely, 2^266480446 is an apocalyptic number.

266480446 is a deficient number, since it is larger than the sum of its proper divisors (133240226).

266480446 is a wasteful number, since it uses less digits than its factorization.

266480446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133240225.

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 266480446 is about 16324.2288026112. The cubic root of 266480446 is about 643.5097264497.

The spelling of 266480446 in words is "two hundred sixty-six million, four hundred eighty thousand, four hundred forty-six".