444040121444 has 6 divisors (see below), whose sum is σ = 777070212534. Its totient is φ = 222020060720.

The previous prime is 444040121417. The next prime is 444040121501. The reversal of 444040121444 is 444121040444.

It can be written as a sum of positive squares in only one way, i.e., 441044748544 + 2995372900 = 664112^2 + 54730^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 444040121444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505015177 + ... + 55505015184.

It is an arithmetic number, because the mean of its divisors is an integer number (129511702089).

Almost surely, 2^444040121444 is an apocalyptic number.

It is an amenable number.

444040121444 is a deficient number, since it is larger than the sum of its proper divisors (333030091090).

444040121444 is a wasteful number, since it uses less digits than its factorization.

444040121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111010030365 (or 111010030363 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 444040121444 its reverse (444121040444), we get a palindrome (888161161888).

The spelling of 444040121444 in words is "four hundred forty-four billion, forty million, one hundred twenty-one thousand, four hundred forty-four".