128478753200 has 60 divisors (see below), whose sum is σ = 352765955760. Its totient is φ = 44049857280.

The previous prime is 128478753173. The next prime is 128478753259. The reversal of 128478753200 is 2357874821.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22939835 + ... + 22945434.

It is an arithmetic number, because the mean of its divisors is an integer number (5879432596).

Almost surely, 2^128478753200 is an apocalyptic number.

128478753200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128478753200 is an abundant number, since it is smaller than the sum of its proper divisors (224287202560).

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

128478753200 is a wasteful number, since it uses less digits than its factorization.

128478753200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45885294 (or 45885283 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 128478753200 in words is "one hundred twenty-eight billion, four hundred seventy-eight million, seven hundred fifty-three thousand, two hundred".