444442113 has 16 divisors (see below), whose sum is σ = 676229760. Its totient is φ = 288286128.

The previous prime is 444442093. The next prime is 444442127. The reversal of 444442113 is 311244444.

444442113 is a `hidden beast` number, since 4 + 4 + 444 + 211 + 3 = 666.

It is not a de Polignac number, because 444442113 - 2⁶ = 444442049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (444442183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221445 + ... + 223442.

It is an arithmetic number, because the mean of its divisors is an integer number (42264360).

Almost surely, 2^444442113 is an apocalyptic number.

It is an amenable number.

444442113 is a deficient number, since it is larger than the sum of its proper divisors (231787647).

444442113 is a wasteful number, since it uses less digits than its factorization.

444442113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444933 (or 444927 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 444442113 is about 21081.7957726566. The cubic root of 444442113 is about 763.1414939477.

Adding to 444442113 its reverse (311244444), we get a palindrome (755686557).

The spelling of 444442113 in words is "four hundred forty-four million, four hundred forty-two thousand, one hundred thirteen".