426407266 has 4 divisors (see below), whose sum is σ = 639610902. Its totient is φ = 213203632.

The previous prime is 426407251. The next prime is 426407269. The reversal of 426407266 is 662704624.

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., 265853025 + 160554241 = 16305^2 + 12671^2 .

It is not an unprimeable number, because it can be changed into a prime (426407269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106601815 + ... + 106601818.

Almost surely, 2^426407266 is an apocalyptic number.

426407266 is a deficient number, since it is larger than the sum of its proper divisors (213203636).

426407266 is a wasteful number, since it uses less digits than its factorization.

426407266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213203635.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 426407266 is about 20649.6311347201. The cubic root of 426407266 is about 752.6762263176.

The spelling of 426407266 in words is "four hundred twenty-six million, four hundred seven thousand, two hundred sixty-six".