408530468 has 48 divisors (see below), whose sum is σ = 781305840. Its totient is φ = 186126336.

The previous prime is 408530459. The next prime is 408530477. The reversal of 408530468 is 864035804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (408530459) and next prime (408530477).

It can be written as a sum of positive squares in 8 ways, for example, as 171924544 + 236605924 = 13112^2 + 15382^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998648 + ... + 999056.

It is an arithmetic number, because the mean of its divisors is an integer number (16277205).

Almost surely, 2^408530468 is an apocalyptic number.

It is an amenable number.

408530468 is a deficient number, since it is larger than the sum of its proper divisors (372775372).

408530468 is a wasteful number, since it uses less digits than its factorization.

408530468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 408530468 is about 20212.1366510322. The cubic root of 408530468 is about 742.0072530974.

The spelling of 408530468 in words is "four hundred eight million, five hundred thirty thousand, four hundred sixty-eight".