400142012227 has 2 divisors, whose sum is σ = 400142012228. Its totient is φ = 400142012226.

The previous prime is 400142012189. The next prime is 400142012261. The reversal of 400142012227 is 722210241004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400142012227 - 2²⁷ = 400007794499 is a prime.

It is a super-2 number, since 2×400142012227² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (400142012287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200071006113 + 200071006114.

It is an arithmetic number, because the mean of its divisors is an integer number (200071006114).

Almost surely, 2^400142012227 is an apocalyptic number.

400142012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

400142012227 is an equidigital number, since it uses as much as digits as its factorization.

400142012227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

The spelling of 400142012227 in words is "four hundred billion, one hundred forty-two million, twelve thousand, two hundred twenty-seven".