406744343441 has 2 divisors, whose sum is σ = 406744343442. Its totient is φ = 406744343440.

The previous prime is 406744343419. The next prime is 406744343461. The reversal of 406744343441 is 144343447604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372217129216 + 34527214225 = 610096^2 + 185815^2 .

It is a cyclic number.

It is not a de Polignac number, because 406744343441 - 2¹⁸ = 406744081297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406744343392 and 406744343401.

It is not a weakly prime, because it can be changed into another prime (406744343461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203372171720 + 203372171721.

It is an arithmetic number, because the mean of its divisors is an integer number (203372171721).

Almost surely, 2^406744343441 is an apocalyptic number.

It is an amenable number.

406744343441 is a deficient number, since it is larger than the sum of its proper divisors (1).

406744343441 is an equidigital number, since it uses as much as digits as its factorization.

406744343441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 44.

The spelling of 406744343441 in words is "four hundred six billion, seven hundred forty-four million, three hundred forty-three thousand, four hundred forty-one".