400004121210041 has 16 divisors (see below), whose sum is σ = 436442935948800. Its totient is φ = 365205349036800.

The previous prime is 400004121209993. The next prime is 400004121210077. The reversal of 400004121210041 is 140012121400004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400004121210041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 400004121209995 and 400004121210022.

It is not an unprimeable number, because it can be changed into a prime (400004121210241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408829306 + ... + 1409113203.

It is an arithmetic number, because the mean of its divisors is an integer number (27277683496800).

Almost surely, 2^{400004121210041} is an apocalyptic number.

It is an amenable number.

400004121210041 is a deficient number, since it is larger than the sum of its proper divisors (36438814738759).

400004121210041 is a wasteful number, since it uses less digits than its factorization.

400004121210041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817942800.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 400004121210041 its reverse (140012121400004), we get a palindrome (540016242610045).

The spelling of 400004121210041 in words is "four hundred trillion, four billion, one hundred twenty-one million, two hundred ten thousand, forty-one".