408812828128 has 12 divisors (see below), whose sum is σ = 804850255440. Its totient is φ = 204406414048.

The previous prime is 408812828069. The next prime is 408812828131. The reversal of 408812828128 is 821828218804.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387700408 + ... + 6387700471.

It is an arithmetic number, because the mean of its divisors is an integer number (67070854620).

Almost surely, 2^408812828128 is an apocalyptic number.

It is an amenable number.

408812828128 is a deficient number, since it is larger than the sum of its proper divisors (396037427312).

408812828128 is a wasteful number, since it uses less digits than its factorization.

408812828128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775400889 (or 12775400881 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 52.

The spelling of 408812828128 in words is "four hundred eight billion, eight hundred twelve million, eight hundred twenty-eight thousand, one hundred twenty-eight".