128618383200 has 144 divisors (see below), whose sum is σ = 423952865280. Its totient is φ = 33864030720.

The previous prime is 128618383181. The next prime is 128618383211. The reversal of 128618383200 is 2383816821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149584 + ... + 528783.

It is an arithmetic number, because the mean of its divisors is an integer number (2944117120).

Almost surely, 2^128618383200 is an apocalyptic number.

128618383200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128618383200 is an abundant number, since it is smaller than the sum of its proper divisors (295334482080).

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

128618383200 is a wasteful number, since it uses less digits than its factorization.

128618383200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678469 (or 678456 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 128618383200 in words is "one hundred twenty-eight billion, six hundred eighteen million, three hundred eighty-three thousand, two hundred".