444431312230 has 16 divisors (see below), whose sum is σ = 805731590160. Its totient is φ = 176493585312.

The previous prime is 444431312207. The next prime is 444431312231. The reversal of 444431312230 is 32213134444.

It is a junction number, because it is equal to n+sod(n) for n = 444431312192 and 444431312201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444431312231) 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, 159865989 + ... + 159868768.

It is an arithmetic number, because the mean of its divisors is an integer number (50358224385).

Almost surely, 2^444431312230 is an apocalyptic number.

444431312230 is a deficient number, since it is larger than the sum of its proper divisors (361300277930).

444431312230 is a wasteful number, since it uses less digits than its factorization.

444431312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319734903.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 444431312230 its reverse (32213134444), we get a palindrome (476644446674).

The spelling of 444431312230 in words is "four hundred forty-four billion, four hundred thirty-one million, three hundred twelve thousand, two hundred thirty".