408488400808 has 8 divisors (see below), whose sum is σ = 765915751530. Its totient is φ = 204244200400.

The previous prime is 408488400737. The next prime is 408488400809. The reversal of 408488400808 is 808004884804.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 348640649764 + 59847751044 = 590458^2 + 244638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (408488400809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530525043 + ... + 25530525058.

Almost surely, 2^408488400808 is an apocalyptic number.

It is an amenable number.

408488400808 is a deficient number, since it is larger than the sum of its proper divisors (357427350722).

408488400808 is a wasteful number, since it uses less digits than its factorization.

408488400808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51061050107 (or 51061050103 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 52.

The spelling of 408488400808 in words is "four hundred eight billion, four hundred eighty-eight million, four hundred thousand, eight hundred eight".