408489484876 has 192 divisors, whose sum is σ = 860446347264. Its totient is φ = 168959831040.

The previous prime is 408489484873. The next prime is 408489484889. The reversal of 408489484876 is 678484984804.

It is not an unprimeable number, because it can be changed into a prime (408489484873) 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 in 63 ways as a sum of consecutive naturals, for example, 746781235 + ... + 746781781.

It is an arithmetic number, because the mean of its divisors is an integer number (4481491392).

Almost surely, 2^408489484876 is an apocalyptic number.

It is an amenable number.

408489484876 is an abundant number, since it is smaller than the sum of its proper divisors (451956862388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408489484876 is a wasteful number, since it uses less digits than its factorization.

408489484876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 396361728, while the sum is 70.

The spelling of 408489484876 in words is "four hundred eight billion, four hundred eighty-nine million, four hundred eighty-four thousand, eight hundred seventy-six".