4444040440001 has 4 divisors (see below), whose sum is σ = 4444141556100. Its totient is φ = 4443939323904.

The previous prime is 4444040439907. The next prime is 4444040440003. The reversal of 4444040440001 is 1000440404444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1916496909376 + 2527543530625 = 1384376^2 + 1589825^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444040440001 - 2¹⁰ = 4444040438977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444040440003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50492096 + ... + 50580033.

It is an arithmetic number, because the mean of its divisors is an integer number (1111035389025).

Almost surely, 2^{4444040440001} is an apocalyptic number.

It is an amenable number.

4444040440001 is a deficient number, since it is larger than the sum of its proper divisors (101116099).

4444040440001 is a wasteful number, since it uses less digits than its factorization.

4444040440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101116098.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 4444040440001 its reverse (1000440404444), we get a palindrome (5444480844445).

The spelling of 4444040440001 in words is "four trillion, four hundred forty-four billion, forty million, four hundred forty thousand, one".