444334220 has 48 divisors (see below), whose sum is σ = 1042778016. Its totient is φ = 157632000.

The previous prime is 444334213. The next prime is 444334223. The reversal of 444334220 is 22433444.

It is a self number, because there is not a number n which added to its sum of digits gives 444334220.

It is not an unprimeable number, because it can be changed into a prime (444334223) 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, 15611 + ... + 33650.

It is an arithmetic number, because the mean of its divisors is an integer number (21724542).

Almost surely, 2^444334220 is an apocalyptic number.

It is an amenable number.

444334220 is an abundant number, since it is smaller than the sum of its proper divisors (598443796).

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

444334220 is a wasteful number, since it uses less digits than its factorization.

444334220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49322 (or 49320 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 444334220 is about 21079.2367034483. The cubic root of 444334220 is about 763.0797354071.

Adding to 444334220 its reverse (22433444), we get a palindrome (466767664).

The spelling of 444334220 in words is "four hundred forty-four million, three hundred thirty-four thousand, two hundred twenty".