400836574716401 has 16 divisors (see below), whose sum is σ = 422523922094400. Its totient is φ = 379208608430400.

The previous prime is 400836574716379. The next prime is 400836574716451. The reversal of 400836574716401 is 104617475638004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400836574716401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400836574716451) 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 15 ways as a sum of consecutive naturals, for example, 41849930 + ... + 50528108.

It is an arithmetic number, because the mean of its divisors is an integer number (26407745130900).

Almost surely, 2^{400836574716401} is an apocalyptic number.

It is an amenable number.

400836574716401 is a deficient number, since it is larger than the sum of its proper divisors (21687347377999).

400836574716401 is a wasteful number, since it uses less digits than its factorization.

400836574716401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8681600.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 400836574716401 in words is "four hundred trillion, eight hundred thirty-six billion, five hundred seventy-four million, seven hundred sixteen thousand, four hundred one".