444404204420 has 36 divisors (see below), whose sum is σ = 1025802437772. Its totient is φ = 161601528000.

The previous prime is 444404204369. The next prime is 444404204521. The reversal of 444404204420 is 24402404444.

It can be written as a sum of positive squares in 2 ways, for example, as 292017028996 + 152387175424 = 540386^2 + 390368^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91816631 + ... + 91821470.

Almost surely, 2^444404204420 is an apocalyptic number.

It is an amenable number.

444404204420 is an abundant number, since it is smaller than the sum of its proper divisors (581398233352).

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

444404204420 is a wasteful number, since it uses less digits than its factorization.

444404204420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183638132 (or 183638119 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 444404204420 its reverse (24402404444), we get a palindrome (468806608864).

The spelling of 444404204420 in words is "four hundred forty-four billion, four hundred four million, two hundred four thousand, four hundred twenty".