408740063 has 2 divisors, whose sum is σ = 408740064. Its totient is φ = 408740062.

The previous prime is 408740047. The next prime is 408740083. The reversal of 408740063 is 360047804.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408740063 - 2⁴ = 408740047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408740083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204370031 + 204370032.

It is an arithmetic number, because the mean of its divisors is an integer number (204370032).

Almost surely, 2^408740063 is an apocalyptic number.

408740063 is a deficient number, since it is larger than the sum of its proper divisors (1).

408740063 is an equidigital number, since it uses as much as digits as its factorization.

408740063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 408740063 is about 20217.3208660297. The cubic root of 408740063 is about 742.1341260673.

Adding to 408740063 its reverse (360047804), we get a palindrome (768787867).

The spelling of 408740063 in words is "four hundred eight million, seven hundred forty thousand, sixty-three".