128567841424 has 120 divisors (see below), whose sum is σ = 290426099040. Its totient is φ = 54939456000.

The previous prime is 128567841379. The next prime is 128567841433. The reversal of 128567841424 is 424148765821.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4805364 + ... + 4832044.

It is an arithmetic number, because the mean of its divisors is an integer number (2420217492).

Almost surely, 2^128567841424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128567841424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145213049520).

128567841424 is an abundant number, since it is smaller than the sum of its proper divisors (161858257616).

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

128567841424 is a wasteful number, since it uses less digits than its factorization.

128567841424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26861 (or 26844 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 52.

The spelling of 128567841424 in words is "one hundred twenty-eight billion, five hundred sixty-seven million, eight hundred forty-one thousand, four hundred twenty-four".