214440444 has 36 divisors (see below), whose sum is σ = 548926560. Its totient is φ = 70574400.

The previous prime is 214440433. The next prime is 214440449. The reversal of 214440444 is 444044412.

214440444 is a `hidden beast` number, since 214 + 4 + 4 + 0 + 444 = 666.

214440444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214440449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34857 + ... + 40544.

It is an arithmetic number, because the mean of its divisors is an integer number (15247960).

Almost surely, 2^214440444 is an apocalyptic number.

It is an amenable number.

214440444 is an abundant number, since it is smaller than the sum of its proper divisors (334486116).

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

214440444 is a wasteful number, since it uses less digits than its factorization.

214440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75490 (or 75485 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 214440444 is about 14643.7851664110. The cubic root of 214440444 is about 598.5524772716.

Adding to 214440444 its reverse (444044412), we get a palindrome (658484856).

The spelling of 214440444 in words is "two hundred fourteen million, four hundred forty thousand, four hundred forty-four".