403042442041 has 2 divisors, whose sum is σ = 403042442042. Its totient is φ = 403042442040.

The previous prime is 403042442009. The next prime is 403042442171. The reversal of 403042442041 is 140244240304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396139324816 + 6903117225 = 629396^2 + 83085^2 .

It is a cyclic number.

It is not a de Polignac number, because 403042442041 - 2⁵ = 403042442009 is a prime.

It is not a weakly prime, because it can be changed into another prime (403042449041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201521221020 + 201521221021.

It is an arithmetic number, because the mean of its divisors is an integer number (201521221021).

Almost surely, 2^403042442041 is an apocalyptic number.

It is an amenable number.

403042442041 is a deficient number, since it is larger than the sum of its proper divisors (1).

403042442041 is an equidigital number, since it uses as much as digits as its factorization.

403042442041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 403042442041 its reverse (140244240304), we get a palindrome (543286682345).

The spelling of 403042442041 in words is "four hundred three billion, forty-two million, four hundred forty-two thousand, forty-one".