444001013012 has 48 divisors (see below), whose sum is σ = 797656244112. Its totient is φ = 216167178240.

The previous prime is 444001012993. The next prime is 444001013047. The reversal of 444001013012 is 210310100444.

It can be written as a sum of positive squares in 8 ways, for example, as 188090485636 + 255910527376 = 433694^2 + 505876^2 .

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 21151562 + ... + 21172542.

It is an arithmetic number, because the mean of its divisors is an integer number (16617838419).

Almost surely, 2^444001013012 is an apocalyptic number.

It is an amenable number.

444001013012 is a deficient number, since it is larger than the sum of its proper divisors (353655231100).

444001013012 is a wasteful number, since it uses less digits than its factorization.

444001013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21788 (or 21786 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 444001013012 its reverse (210310100444), we get a palindrome (654311113456).

The spelling of 444001013012 in words is "four hundred forty-four billion, one million, thirteen thousand, twelve".