128244526080 has 704 divisors, whose sum is σ = 475458425856. Its totient is φ = 29196288000.

The previous prime is 128244526063. The next prime is 128244526087. The reversal of 128244526080 is 80625442821.

It is a tau number, because it is divible by the number of its divisors (704).

It is not an unprimeable number, because it can be changed into a prime (128244526087) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 237050610 + ... + 237051150.

Almost surely, 2^128244526080 is an apocalyptic number.

128244526080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128244526080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237729212928).

128244526080 is an abundant number, since it is smaller than the sum of its proper divisors (347213899776).

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

128244526080 is a wasteful number, since it uses less digits than its factorization.

128244526080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 128244526080 in words is "one hundred twenty-eight billion, two hundred forty-four million, five hundred twenty-six thousand, eighty".