28270850020128 has 48 divisors (see below), whose sum is σ = 82456645894560. Its totient is φ = 9423616673088.

The previous prime is 28270850020073. The next prime is 28270850020181. The reversal of 28270850020128 is 82102005807282.

28270850020128 is a `hidden beast` number, since 282 + 70 + 85 + 0 + 0 + 201 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16360444750 + ... + 16360446477.

It is an arithmetic number, because the mean of its divisors is an integer number (1717846789470).

Almost surely, 2^{28270850020128} is an apocalyptic number.

It is an amenable number.

28270850020128 is an abundant number, since it is smaller than the sum of its proper divisors (54185795874432).

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

28270850020128 is a wasteful number, since it uses less digits than its factorization.

28270850020128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32720891246 (or 32720891232 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The spelling of 28270850020128 in words is "twenty-eight trillion, two hundred seventy billion, eight hundred fifty million, twenty thousand, one hundred twenty-eight".