206402046406 has 8 divisors (see below), whose sum is σ = 309605000040. Its totient is φ = 103200379728.

The previous prime is 206402046401. The next prime is 206402046407. The reversal of 206402046406 is 604640204602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206402046401) 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, 438285 + ... + 777751.

It is an arithmetic number, because the mean of its divisors is an integer number (38700625005).

Almost surely, 2^206402046406 is an apocalyptic number.

206402046406 is a deficient number, since it is larger than the sum of its proper divisors (103202953634).

206402046406 is a wasteful number, since it uses less digits than its factorization.

206402046406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643478.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 206402046406 in words is "two hundred six billion, four hundred two million, forty-six thousand, four hundred six".