128528480080 has 160 divisors (see below), whose sum is σ = 401224819968. Its totient is φ = 36979200000.

The previous prime is 128528480077. The next prime is 128528480081. The reversal of 128528480080 is 80084825821.

It is a self number, because there is not a number n which added to its sum of digits gives 128528480080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128528480081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 722421 + ... + 882580.

Almost surely, 2^128528480080 is an apocalyptic number.

128528480080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128528480080 is an abundant number, since it is smaller than the sum of its proper divisors (272696339888).

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

128528480080 is a wasteful number, since it uses less digits than its factorization.

128528480080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605045 (or 1605039 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 46.

The spelling of 128528480080 in words is "one hundred twenty-eight billion, five hundred twenty-eight million, four hundred eighty thousand, eighty".