128333882250 has 128 divisors (see below), whose sum is σ = 406757445120. Its totient is φ = 29333448000.

The previous prime is 128333882221. The next prime is 128333882269. The reversal of 128333882250 is 52288333821.

128333882250 is a `hidden beast` number, since 12 + 8 + 3 + 3 + 388 + 2 + 250 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 128333882196 and 128333882205.

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 63 ways as a sum of consecutive naturals, for example, 1310781 + ... + 1405280.

It is an arithmetic number, because the mean of its divisors is an integer number (3177792540).

Almost surely, 2^128333882250 is an apocalyptic number.

128333882250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128333882250 is an abundant number, since it is smaller than the sum of its proper divisors (278423562870).

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

128333882250 is a wasteful number, since it uses less digits than its factorization.

128333882250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716094 (or 2716078 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 128333882250 in words is "one hundred twenty-eight billion, three hundred thirty-three million, eight hundred eighty-two thousand, two hundred fifty".