444134220 has 24 divisors (see below), whose sum is σ = 1243575984. Its totient is φ = 118435776.

The previous prime is 444134219. The next prime is 444134227. The reversal of 444134220 is 22431444.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (444134227) 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, 3701059 + ... + 3701178.

It is an arithmetic number, because the mean of its divisors is an integer number (51815666).

Almost surely, 2^444134220 is an apocalyptic number.

It is an amenable number.

444134220 is an abundant number, since it is smaller than the sum of its proper divisors (799441764).

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

444134220 is a wasteful number, since it uses less digits than its factorization.

444134220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7402249 (or 7402247 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 444134220 is about 21074.4921647000. The cubic root of 444134220 is about 762.9652278705.

Adding to 444134220 its reverse (22431444), we get a palindrome (466565664).

The spelling of 444134220 in words is "four hundred forty-four million, one hundred thirty-four thousand, two hundred twenty".