400004209446227 has 2 divisors, whose sum is σ = 400004209446228. Its totient is φ = 400004209446226.

The previous prime is 400004209446169. The next prime is 400004209446253. The reversal of 400004209446227 is 722644902400004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400004209446227 - 2³⁸ = 399729331539283 is a prime.

It is not a weakly prime, because it can be changed into another prime (400004209446287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200002104723113 + 200002104723114.

It is an arithmetic number, because the mean of its divisors is an integer number (200002104723114).

Almost surely, 2^{400004209446227} is an apocalyptic number.

400004209446227 is a deficient number, since it is larger than the sum of its proper divisors (1).

400004209446227 is an equidigital number, since it uses as much as digits as its factorization.

400004209446227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 400004209446227 in words is "four hundred trillion, four billion, two hundred nine million, four hundred forty-six thousand, two hundred twenty-seven".