426473266 has 4 divisors (see below), whose sum is σ = 639709902. Its totient is φ = 213236632.

The previous prime is 426473261. The next prime is 426473323. The reversal of 426473266 is 662374624.

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., 356265625 + 70207641 = 18875^2 + 8379^2 .

It is a super-2 number, since 2×426473266² = 363758893225413512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426473261) 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, 106618315 + ... + 106618318.

Almost surely, 2^426473266 is an apocalyptic number.

426473266 is a deficient number, since it is larger than the sum of its proper divisors (213236636).

426473266 is a wasteful number, since it uses less digits than its factorization.

426473266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213236635.

The product of its digits is 290304, while the sum is 40.

The square root of 426473266 is about 20651.2291643863. The cubic root of 426473266 is about 752.7150577917.

The spelling of 426473266 in words is "four hundred twenty-six million, four hundred seventy-three thousand, two hundred sixty-six".