128453574785280 has 288 divisors, whose sum is σ = 422054457842304. Its totient is φ = 33271695802368.

The previous prime is 128453574785233. The next prime is 128453574785297. The reversal of 128453574785280 is 82587475354821.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82630864 + ... + 84171056.

It is an arithmetic number, because the mean of its divisors is an integer number (1465466867508).

Almost surely, 2^{128453574785280} is an apocalyptic number.

128453574785280 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 128453574785280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211027228921152).

128453574785280 is an abundant number, since it is smaller than the sum of its proper divisors (293600883057024).

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

128453574785280 is a wasteful number, since it uses less digits than its factorization.

128453574785280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540841 (or 1540827 counting only the distinct ones).

The product of its (nonzero) digits is 602112000, while the sum is 69.

The spelling of 128453574785280 in words is "one hundred twenty-eight trillion, four hundred fifty-three billion, five hundred seventy-four million, seven hundred eighty-five thousand, two hundred eighty".