128367467280 has 160 divisors (see below), whose sum is σ = 476166606720. Its totient is φ = 31598138880.

The previous prime is 128367467269. The next prime is 128367467297. The reversal of 128367467280 is 82764763821.

128367467280 is a `hidden beast` number, since 128 + 36 + 7 + 467 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2257666 + ... + 2313825.

It is an arithmetic number, because the mean of its divisors is an integer number (2976041292).

Almost surely, 2^128367467280 is an apocalyptic number.

128367467280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128367467280 is an abundant number, since it is smaller than the sum of its proper divisors (347799139440).

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

128367467280 is a wasteful number, since it uses less digits than its factorization.

128367467280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571526 (or 4571514 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 128367467280 in words is "one hundred twenty-eight billion, three hundred sixty-seven million, four hundred sixty-seven thousand, two hundred eighty".