206444256 has 72 divisors (see below), whose sum is σ = 549955224. Its totient is φ = 67806720.

The previous prime is 206444213. The next prime is 206444267. The reversal of 206444256 is 652444602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1140486 + ... + 1140666.

It is an arithmetic number, because the mean of its divisors is an integer number (7638267).

Almost surely, 2^206444256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206444256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274977612).

206444256 is an abundant number, since it is smaller than the sum of its proper divisors (343510968).

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

206444256 is a wasteful number, since it uses less digits than its factorization.

206444256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 206444256 is about 14368.1681504637. The cubic root of 206444256 is about 591.0183084734.

Adding to 206444256 its reverse (652444602), we get a palindrome (858888858).

The spelling of 206444256 in words is "two hundred six million, four hundred forty-four thousand, two hundred fifty-six".