444240400244 has 12 divisors (see below), whose sum is σ = 777452195268. Its totient is φ = 222111201600.

The previous prime is 444240400157. The next prime is 444240400309. The reversal of 444240400244 is 442004042444.

It can be written as a sum of positive squares in 2 ways, for example, as 244263292900 + 199977107344 = 494230^2 + 447188^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 444240400244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2137937 + ... + 2336504.

It is an arithmetic number, because the mean of its divisors is an integer number (64787682939).

Almost surely, 2^444240400244 is an apocalyptic number.

It is an amenable number.

444240400244 is a deficient number, since it is larger than the sum of its proper divisors (333211795024).

444240400244 is a wasteful number, since it uses less digits than its factorization.

444240400244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499266 (or 4499264 counting only the distinct ones).

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

Adding to 444240400244 its reverse (442004042444), we get a palindrome (886244442688).

The spelling of 444240400244 in words is "four hundred forty-four billion, two hundred forty million, four hundred thousand, two hundred forty-four".