4400004040001 has 4 divisors (see below), whose sum is σ = 4409632058052. Its totient is φ = 4390376021952.

The previous prime is 4400004039979. The next prime is 4400004040039. The reversal of 4400004040001 is 1000404000044.

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 3841897925776 + 558106114225 = 1960076^2 + 747065^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400004040001 - 2¹⁰ = 4400004038977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4400004040051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4814008340 + ... + 4814009253.

It is an arithmetic number, because the mean of its divisors is an integer number (1102408014513).

Almost surely, 2^{4400004040001} is an apocalyptic number.

It is an amenable number.

4400004040001 is a deficient number, since it is larger than the sum of its proper divisors (9628018051).

4400004040001 is an equidigital number, since it uses as much as digits as its factorization.

4400004040001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9628018050.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 4400004040001 its reverse (1000404000044), we get a palindrome (5400408040045).

The spelling of 4400004040001 in words is "four trillion, four hundred billion, four million, forty thousand, one".