206444442 has 16 divisors (see below), whose sum is σ = 413038080. Its totient is φ = 68789952.

The previous prime is 206444431. The next prime is 206444449. The reversal of 206444442 is 244444602.

206444442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (206444449) 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, 20818 + ... + 29090.

It is an arithmetic number, because the mean of its divisors is an integer number (25814880).

Almost surely, 2^206444442 is an apocalyptic number.

206444442 is an abundant number, since it is smaller than the sum of its proper divisors (206593638).

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

206444442 is a wasteful number, since it uses less digits than its factorization.

206444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12437.

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 206444442 is about 14368.1746231037. The cubic root of 206444442 is about 591.0184859698.

The spelling of 206444442 in words is "two hundred six million, four hundred forty-four thousand, four hundred forty-two".