4400040000001 has 8 divisors (see below), whose sum is σ = 4660134357384. Its totient is φ = 4140086584320.

The previous prime is 4400039999987. The next prime is 4400040000029. The reversal of 4400040000001 is 1000000400044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24094800625 + 4375945199376 = 155225^2 + 2091876^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4400040000001 - 2⁵ = 4400039999969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4400040000061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35171140 + ... + 35296021.

It is an arithmetic number, because the mean of its divisors is an integer number (582516794673).

Almost surely, 2^{4400040000001} is an apocalyptic number.

It is an amenable number.

4400040000001 is a deficient number, since it is larger than the sum of its proper divisors (260094357383).

4400040000001 is a wasteful number, since it uses less digits than its factorization.

4400040000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70470851.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 4400040000001 its reverse (1000000400044), we get a palindrome (5400040400045).

The spelling of 4400040000001 in words is "four trillion, four hundred billion, forty million, one", and thus it is an aban number.