408404488 has 16 divisors (see below), whose sum is σ = 774985680. Its totient is φ = 201741648.

The previous prime is 408404467. The next prime is 408404527. The reversal of 408404488 is 884404804.

It is a self number, because there is not a number n which added to its sum of digits gives 408404488.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306870 + ... + 308197.

It is an arithmetic number, because the mean of its divisors is an integer number (48436605).

Almost surely, 2^408404488 is an apocalyptic number.

It is an amenable number.

408404488 is a deficient number, since it is larger than the sum of its proper divisors (366581192).

408404488 is a wasteful number, since it uses less digits than its factorization.

408404488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615156 (or 615152 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 408404488 is about 20209.0199663418. The cubic root of 408404488 is about 741.9309734467.

The spelling of 408404488 in words is "four hundred eight million, four hundred four thousand, four hundred eighty-eight".