128412359280 has 120 divisors (see below), whose sum is σ = 435068167248. Its totient is φ = 33940236288.

The previous prime is 128412359269. The next prime is 128412359293. The reversal of 128412359280 is 82953214821.

128412359280 is a `hidden beast` number, since 1 + 2 + 8 + 4 + 12 + 359 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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, 707802 + ... + 870521.

Almost surely, 2^128412359280 is an apocalyptic number.

128412359280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128412359280 is an abundant number, since it is smaller than the sum of its proper divisors (306655807968).

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

128412359280 is a wasteful number, since it uses less digits than its factorization.

128412359280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578455 (or 1578446 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 128412359280 in words is "one hundred twenty-eight billion, four hundred twelve million, three hundred fifty-nine thousand, two hundred eighty".