406544041 has 2 divisors, whose sum is σ = 406544042. Its totient is φ = 406544040.

The previous prime is 406544029. The next prime is 406544053. The reversal of 406544041 is 140445604.

It is a balanced prime because it is at equal distance from previous prime (406544029) and next prime (406544053).

It can be written as a sum of positive squares in only one way, i.e., 332515225 + 74028816 = 18235^2 + 8604^2 .

It is a cyclic number.

It is not a de Polignac number, because 406544041 - 2⁵ = 406544009 is a prime.

It is not a weakly prime, because it can be changed into another prime (406544741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203272020 + 203272021.

It is an arithmetic number, because the mean of its divisors is an integer number (203272021).

Almost surely, 2^406544041 is an apocalyptic number.

It is an amenable number.

406544041 is a deficient number, since it is larger than the sum of its proper divisors (1).

406544041 is an equidigital number, since it uses as much as digits as its factorization.

406544041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 406544041 is about 20162.9373108186. The cubic root of 406544041 is about 740.8026602253.

Adding to 406544041 its reverse (140445604), we get a palindrome (546989645).

The spelling of 406544041 in words is "four hundred six million, five hundred forty-four thousand, forty-one".