405466043 has 2 divisors, whose sum is σ = 405466044. Its totient is φ = 405466042.

The previous prime is 405466027. The next prime is 405466051. The reversal of 405466043 is 340664504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405466043 - 2⁴ = 405466027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (405466003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202733021 + 202733022.

It is an arithmetic number, because the mean of its divisors is an integer number (202733022).

Almost surely, 2^405466043 is an apocalyptic number.

405466043 is a deficient number, since it is larger than the sum of its proper divisors (1).

405466043 is an equidigital number, since it uses as much as digits as its factorization.

405466043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 405466043 is about 20136.1873998034. The cubic root of 405466043 is about 740.1473063213.

The spelling of 405466043 in words is "four hundred five million, four hundred sixty-six thousand, forty-three".