444320344225 has 24 divisors (see below), whose sum is σ = 580016448000. Its totient is φ = 336712357440.

The previous prime is 444320344183. The next prime is 444320344277. The reversal of 444320344225 is 522443023444.

It is not a de Polignac number, because 444320344225 - 2¹¹ = 444320342177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4971231 + ... + 5059819.

It is an arithmetic number, because the mean of its divisors is an integer number (24167352000).

Almost surely, 2^444320344225 is an apocalyptic number.

It is an amenable number.

444320344225 is a deficient number, since it is larger than the sum of its proper divisors (135696103775).

444320344225 is a wasteful number, since it uses less digits than its factorization.

444320344225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99177 (or 99172 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 444320344225 its reverse (522443023444), we get a palindrome (966763367669).

The spelling of 444320344225 in words is "four hundred forty-four billion, three hundred twenty million, three hundred forty-four thousand, two hundred twenty-five".