128218479080 has 32 divisors (see below), whose sum is σ = 293220953640. Its totient is φ = 50446613760.

The previous prime is 128218479073. The next prime is 128218479089. The reversal of 128218479080 is 80974812821.

128218479080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 34009998724 + 94208480356 = 184418^2 + 306934^2 .

It is not an unprimeable number, because it can be changed into a prime (128218479089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26271839 + ... + 26276718.

Almost surely, 2^128218479080 is an apocalyptic number.

128218479080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128218479080 is an abundant number, since it is smaller than the sum of its proper divisors (165002474560).

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

128218479080 is a wasteful number, since it uses less digits than its factorization.

128218479080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52548629 (or 52548625 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 50.

The spelling of 128218479080 in words is "one hundred twenty-eight billion, two hundred eighteen million, four hundred seventy-nine thousand, eighty".