128324800090408 has 16 divisors (see below), whose sum is σ = 241855678929780. Its totient is φ = 63829952375808.

The previous prime is 128324800090391. The next prime is 128324800090423. The reversal of 128324800090408 is 804090008423821.

It can be written as a sum of positive squares in 2 ways, for example, as 124088950388484 + 4235849701924 = 11139522^2 + 2058118^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41555957035 + ... + 41555960122.

Almost surely, 2^{128324800090408} is an apocalyptic number.

It is an amenable number.

128324800090408 is a deficient number, since it is larger than the sum of its proper divisors (113530878839372).

128324800090408 is a wasteful number, since it uses less digits than its factorization.

128324800090408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83111917356 (or 83111917352 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 128324800090408 in words is "one hundred twenty-eight trillion, three hundred twenty-four billion, eight hundred million, ninety thousand, four hundred eight".