400050185147 has 2 divisors, whose sum is σ = 400050185148. Its totient is φ = 400050185146.

The previous prime is 400050185141. The next prime is 400050185239. The reversal of 400050185147 is 741581050004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400050185147 - 2¹⁶ = 400050119611 is a prime.

It is a super-2 number, since 2×400050185147² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (400050185141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200025092573 + 200025092574.

It is an arithmetic number, because the mean of its divisors is an integer number (200025092574).

Almost surely, 2^400050185147 is an apocalyptic number.

400050185147 is a deficient number, since it is larger than the sum of its proper divisors (1).

400050185147 is an equidigital number, since it uses as much as digits as its factorization.

400050185147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 35.

The spelling of 400050185147 in words is "four hundred billion, fifty million, one hundred eighty-five thousand, one hundred forty-seven".