128336233850 has 48 divisors (see below), whose sum is σ = 260450937216. Its totient is φ = 46659648000.

The previous prime is 128336233801. The next prime is 128336233853. The reversal of 128336233850 is 58332633821.

It is not an unprimeable number, because it can be changed into a prime (128336233853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3828362 + ... + 3861738.

It is an arithmetic number, because the mean of its divisors is an integer number (5426061192).

Almost surely, 2^128336233850 is an apocalyptic number.

128336233850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128336233850 is an abundant number, since it is smaller than the sum of its proper divisors (132114703366).

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

128336233850 is a wasteful number, since it uses less digits than its factorization.

128336233850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40391 (or 40386 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 128336233850 in words is "one hundred twenty-eight billion, three hundred thirty-six million, two hundred thirty-three thousand, eight hundred fifty".