444613442 has 32 divisors (see below), whose sum is σ = 849139200. Its totient is φ = 169823808.

The previous prime is 444613441. The next prime is 444613451. The reversal of 444613442 is 244316444.

It is a happy number.

It is a super-2 number, since 2×444613442² = 395362225614174728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444613399 and 444613408.

It is not an unprimeable number, because it can be changed into a prime (444613441) 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, 36842 + ... + 47397.

It is an arithmetic number, because the mean of its divisors is an integer number (26535600).

Almost surely, 2^444613442 is an apocalyptic number.

444613442 is a deficient number, since it is larger than the sum of its proper divisors (404525758).

444613442 is a wasteful number, since it uses less digits than its factorization.

444613442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84290.

The product of its digits is 36864, while the sum is 32.

The square root of 444613442 is about 21085.8588158035. The cubic root of 444613442 is about 763.2395430659.

Adding to 444613442 its reverse (244316444), we get a palindrome (688929886).

The spelling of 444613442 in words is "four hundred forty-four million, six hundred thirteen thousand, four hundred forty-two".