426666564634052 has 12 divisors (see below), whose sum is σ = 746685253095936. Its totient is φ = 213327920892360.

The previous prime is 426666564634033. The next prime is 426666564634061. The reversal of 426666564634052 is 250436465666624.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 426666564634052.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340177108 + ... + 1340495435.

It is an arithmetic number, because the mean of its divisors is an integer number (62223771091328).

Almost surely, 2^{426666564634052} is an apocalyptic number.

It is an amenable number.

426666564634052 is a deficient number, since it is larger than the sum of its proper divisors (320018688461884).

426666564634052 is a wasteful number, since it uses less digits than its factorization.

426666564634052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680712338 (or 2680712336 counting only the distinct ones).

The product of its (nonzero) digits is 895795200, while the sum is 65.

The spelling of 426666564634052 in words is "four hundred twenty-six trillion, six hundred sixty-six billion, five hundred sixty-four million, six hundred thirty-four thousand, fifty-two".