406402268466 has 8 divisors (see below), whose sum is σ = 812804536944. Its totient is φ = 135467422820.

The previous prime is 406402268449. The next prime is 406402268497. The reversal of 406402268466 is 664862204604.

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

406402268466 is an admirable number.

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, 33866855700 + ... + 33866855711.

It is an arithmetic number, because the mean of its divisors is an integer number (101600567118).

Almost surely, 2^406402268466 is an apocalyptic number.

406402268466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406402268466 is a wasteful number, since it uses less digits than its factorization.

406402268466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67733711416.

The product of its (nonzero) digits is 2654208, while the sum is 48.

The spelling of 406402268466 in words is "four hundred six billion, four hundred two million, two hundred sixty-eight thousand, four hundred sixty-six".