128333382555350 has 48 divisors (see below), whose sum is σ = 279453765751776. Its totient is φ = 42926845728000.

The previous prime is 128333382555283. The next prime is 128333382555407. The reversal of 128333382555350 is 53555283333821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4471532081 + ... + 4471560780.

It is an arithmetic number, because the mean of its divisors is an integer number (5821953453162).

Almost surely, 2^{128333382555350} is an apocalyptic number.

128333382555350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128333382555350 is an abundant number, since it is smaller than the sum of its proper divisors (151120383196426).

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

128333382555350 is a wasteful number, since it uses less digits than its factorization.

128333382555350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8943092921 (or 8943092916 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 128333382555350 in words is "one hundred twenty-eight trillion, three hundred thirty-three billion, three hundred eighty-two million, five hundred fifty-five thousand, three hundred fifty".