40000044000401 has 8 divisors (see below), whose sum is σ = 40423906525800. Its totient is φ = 39576415984128.

The previous prime is 40000044000299. The next prime is 40000044000421. The reversal of 40000044000401 is 10400044000004.

It can be written as a sum of positive squares in 4 ways, for example, as 25315237530625 + 14684806469776 = 5031425^2 + 3832076^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40000044000401 - 2⁴² = 35601997489297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40000044000401.

It is not an unprimeable number, because it can be changed into a prime (40000044000421) 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, 58284326 + ... + 58966623.

It is an arithmetic number, because the mean of its divisors is an integer number (5052988315725).

Almost surely, 2^{40000044000401} is an apocalyptic number.

It is an amenable number.

40000044000401 is a deficient number, since it is larger than the sum of its proper divisors (423862525399).

40000044000401 is a wasteful number, since it uses less digits than its factorization.

40000044000401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117254563.

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

Adding to 40000044000401 its reverse (10400044000004), we get a palindrome (50400088000405).

The spelling of 40000044000401 in words is "forty trillion, forty-four million, four hundred one", and thus it is an aban number.