444044040402 has 32 divisors (see below), whose sum is σ = 911649358080. Its totient is φ = 144139132800.

The previous prime is 444044040389. The next prime is 444044040431. The reversal of 444044040402 is 204040440444.

It is a self number, because there is not a number n which added to its sum of digits gives 444044040402.

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 in 15 ways as a sum of consecutive naturals, for example, 6381849 + ... + 6451052.

It is an arithmetic number, because the mean of its divisors is an integer number (28489042440).

Almost surely, 2^444044040402 is an apocalyptic number.

444044040402 is an abundant number, since it is smaller than the sum of its proper divisors (467605317678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444044040402 is a wasteful number, since it uses less digits than its factorization.

444044040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833058.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 444044040402 its reverse (204040440444), we get a palindrome (648084480846).

The spelling of 444044040402 in words is "four hundred forty-four billion, forty-four million, forty thousand, four hundred two".