408168972888 has 32 divisors (see below), whose sum is σ = 1020504744960. Its totient is φ = 136045349280.

The previous prime is 408168972881. The next prime is 408168972947. The reversal of 408168972888 is 888279861804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408168972881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379420 + ... + 979947.

It is an arithmetic number, because the mean of its divisors is an integer number (31890773280).

Almost surely, 2^408168972888 is an apocalyptic number.

It is an amenable number.

408168972888 is an abundant number, since it is smaller than the sum of its proper divisors (612335772072).

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

408168972888 is a wasteful number, since it uses less digits than its factorization.

408168972888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371887 (or 1371883 counting only the distinct ones).

The product of its (nonzero) digits is 99090432, while the sum is 69.

The spelling of 408168972888 in words is "four hundred eight billion, one hundred sixty-eight million, nine hundred seventy-two thousand, eight hundred eighty-eight".