206464446444 has 24 divisors (see below), whose sum is σ = 481801240368. Its totient is φ = 68814215680.

The previous prime is 206464446443. The next prime is 206464446457. The reversal of 206464446444 is 444644464602.

It is a junction number, because it is equal to n+sod(n) for n = 206464446393 and 206464446402.

It is not an unprimeable number, because it can be changed into a prime (206464446443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789297 + ... + 1017800.

It is an arithmetic number, because the mean of its divisors is an integer number (20075051682).

Almost surely, 2^206464446444 is an apocalyptic number.

It is an amenable number.

206464446444 is an abundant number, since it is smaller than the sum of its proper divisors (275336793924).

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

206464446444 is a wasteful number, since it uses less digits than its factorization.

206464446444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816625 (or 1816623 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 48.

The spelling of 206464446444 in words is "two hundred six billion, four hundred sixty-four million, four hundred forty-six thousand, four hundred forty-four".