404026264666 has 8 divisors (see below), whose sum is σ = 606042717984. Its totient is φ = 202012025340.

The previous prime is 404026264651. The next prime is 404026264673. The reversal of 404026264666 is 666462620404.

It is a happy number.

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

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, 22681 + ... + 899203.

It is an arithmetic number, because the mean of its divisors is an integer number (75755339748).

Almost surely, 2^404026264666 is an apocalyptic number.

404026264666 is a deficient number, since it is larger than the sum of its proper divisors (202016453318).

404026264666 is a wasteful number, since it uses less digits than its factorization.

404026264666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106996.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 404026264666 in words is "four hundred four billion, twenty-six million, two hundred sixty-four thousand, six hundred sixty-six".