406266422026 has 8 divisors (see below), whose sum is σ = 609403258944. Its totient is φ = 203132002380.

The previous prime is 406266421973. The next prime is 406266422039. The reversal of 406266422026 is 620224662604.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 406266422026.

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, 99960 + ... + 906931.

It is an arithmetic number, because the mean of its divisors is an integer number (76175407368).

Almost surely, 2^406266422026 is an apocalyptic number.

406266422026 is a deficient number, since it is larger than the sum of its proper divisors (203136836918).

406266422026 is a wasteful number, since it uses less digits than its factorization.

406266422026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208636.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 406266422026 in words is "four hundred six billion, two hundred sixty-six million, four hundred twenty-two thousand, twenty-six".