426566474 has 4 divisors (see below), whose sum is σ = 639849714. Its totient is φ = 213283236.

The previous prime is 426566449. The next prime is 426566489. The reversal of 426566474 is 474665624.

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., 383572225 + 42994249 = 19585^2 + 6557^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106641617 + ... + 106641620.

Almost surely, 2^426566474 is an apocalyptic number.

426566474 is a deficient number, since it is larger than the sum of its proper divisors (213283240).

426566474 is a wasteful number, since it uses less digits than its factorization.

426566474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213283239.

The product of its digits is 967680, while the sum is 44.

The square root of 426566474 is about 20653.4857590674. The cubic root of 426566474 is about 752.7698904234.

The spelling of 426566474 in words is "four hundred twenty-six million, five hundred sixty-six thousand, four hundred seventy-four".