420110444 has 48 divisors (see below), whose sum is σ = 847660800. Its totient is φ = 180553536.

The previous prime is 420110441. The next prime is 420110459. The reversal of 420110444 is 444011024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (420110441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54689 + ... + 61895.

It is an arithmetic number, because the mean of its divisors is an integer number (17659600).

Almost surely, 2^420110444 is an apocalyptic number.

It is an amenable number.

420110444 is an abundant number, since it is smaller than the sum of its proper divisors (427550356).

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

420110444 is a wasteful number, since it uses less digits than its factorization.

420110444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302 (or 7300 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 420110444 is about 20496.5959124924. The cubic root of 420110444 is about 748.9528759071.

Adding to 420110444 its reverse (444011024), we get a palindrome (864121468).

The spelling of 420110444 in words is "four hundred twenty million, one hundred ten thousand, four hundred forty-four".