426838665466 has 8 divisors (see below), whose sum is σ = 640271252160. Its totient is φ = 213414914748.

The previous prime is 426838665457. The next prime is 426838665467. The reversal of 426838665466 is 664566838624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 426838665398 and 426838665407.

It is not an unprimeable number, because it can be changed into a prime (426838665467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2086876 + ... + 2282263.

It is an arithmetic number, because the mean of its divisors is an integer number (80033906520).

Almost surely, 2^426838665466 is an apocalyptic number.

426838665466 is a deficient number, since it is larger than the sum of its proper divisors (213432586694).

426838665466 is a wasteful number, since it uses less digits than its factorization.

426838665466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417988.

The product of its digits is 238878720, while the sum is 64.

The spelling of 426838665466 in words is "four hundred twenty-six billion, eight hundred thirty-eight million, six hundred sixty-five thousand, four hundred sixty-six".