40443422141 has 2 divisors, whose sum is σ = 40443422142. Its totient is φ = 40443422140.

The previous prime is 40443422137. The next prime is 40443422207. The reversal of 40443422141 is 14122434404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33034516516 + 7408905625 = 181754^2 + 86075^2 .

It is a cyclic number.

It is not a de Polignac number, because 40443422141 - 2² = 40443422137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40443422741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20221711070 + 20221711071.

It is an arithmetic number, because the mean of its divisors is an integer number (20221711071).

Almost surely, 2^40443422141 is an apocalyptic number.

It is an amenable number.

40443422141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40443422141 is an equidigital number, since it uses as much as digits as its factorization.

40443422141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 40443422141 its reverse (14122434404), we get a palindrome (54565856545).

The spelling of 40443422141 in words is "forty billion, four hundred forty-three million, four hundred twenty-two thousand, one hundred forty-one".