128326898910 has 64 divisors (see below), whose sum is σ = 352061471232. Its totient is φ = 29325269376.

The previous prime is 128326898899. The next prime is 128326898927. The reversal of 128326898910 is 19898623821.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 900252 + ... + 1033008.

It is an arithmetic number, because the mean of its divisors is an integer number (5500960488).

Almost surely, 2^128326898910 is an apocalyptic number.

128326898910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128326898910 is an abundant number, since it is smaller than the sum of its proper divisors (223734572322).

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

128326898910 is a wasteful number, since it uses less digits than its factorization.

128326898910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137377.

The product of its (nonzero) digits is 2985984, while the sum is 57.

The spelling of 128326898910 in words is "one hundred twenty-eight billion, three hundred twenty-six million, eight hundred ninety-eight thousand, nine hundred ten".