128947824000 has 192 divisors, whose sum is σ = 463084390080. Its totient is φ = 34386048000.

The previous prime is 128947823999. The next prime is 128947824079. The reversal of 128947824000 is 428749821.

128947824000 is a `hidden beast` number, since 128 + 9 + 47 + 82 + 400 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 303736 + ... + 591735.

It is an arithmetic number, because the mean of its divisors is an integer number (2411897865).

Almost surely, 2^128947824000 is an apocalyptic number.

128947824000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128947824000 is an abundant number, since it is smaller than the sum of its proper divisors (334136566080).

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

128947824000 is an equidigital number, since it uses as much as digits as its factorization.

128947824000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895506 (or 895481 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 128947824000 in words is "one hundred twenty-eight billion, nine hundred forty-seven million, eight hundred twenty-four thousand".