40404400004101 has 4 divisors (see below), whose sum is σ = 46176457147552. Its totient is φ = 34632342860652.

The previous prime is 40404400004057. The next prime is 40404400004149. The reversal of 40404400004101 is 10140000440404.

It is a happy number.

40404400004101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40404400004101 - 2³³ = 40395810069509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404400004161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886028571715 + ... + 2886028571728.

It is an arithmetic number, because the mean of its divisors is an integer number (11544114286888).

Almost surely, 2^{40404400004101} is an apocalyptic number.

It is an amenable number.

40404400004101 is a deficient number, since it is larger than the sum of its proper divisors (5772057143451).

40404400004101 is an equidigital number, since it uses as much as digits as its factorization.

40404400004101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772057143450.

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

Adding to 40404400004101 its reverse (10140000440404), we get a palindrome (50544400444505).

The spelling of 40404400004101 in words is "forty trillion, four hundred four billion, four hundred million, four thousand, one hundred one".