400010040440401 has 8 divisors (see below), whose sum is σ = 425794247661600. Its totient is φ = 374698937939040.

The previous prime is 400010040440389. The next prime is 400010040440419. The reversal of 400010040440401 is 104044040010004.

It is a happy number.

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 400010040440401 - 2⁵ = 400010040440369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400010040440471) 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, 118276178215 + ... + 118276181596.

It is an arithmetic number, because the mean of its divisors is an integer number (53224280957700).

Almost surely, 2^{400010040440401} is an apocalyptic number.

It is an amenable number.

400010040440401 is a deficient number, since it is larger than the sum of its proper divisors (25784207221199).

400010040440401 is a wasteful number, since it uses less digits than its factorization.

400010040440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236552359919.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 400010040440401 its reverse (104044040010004), we get a palindrome (504054080450405).

The spelling of 400010040440401 in words is "four hundred trillion, ten billion, forty million, four hundred forty thousand, four hundred one".