128768060280 has 64 divisors (see below), whose sum is σ = 386949312000. Its totient is φ = 34280804480.

The previous prime is 128768060257. The next prime is 128768060321. The reversal of 128768060280 is 82060867821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823836 + ... + 967595.

It is an arithmetic number, because the mean of its divisors is an integer number (6046083000).

Almost surely, 2^128768060280 is an apocalyptic number.

128768060280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128768060280 is an abundant number, since it is smaller than the sum of its proper divisors (258181251720).

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

128768060280 is a wasteful number, since it uses less digits than its factorization.

128768060280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792044 (or 1792040 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 128768060280 in words is "one hundred twenty-eight billion, seven hundred sixty-eight million, sixty thousand, two hundred eighty".