1880287273128 has 64 divisors (see below), whose sum is σ = 5162472792000. Its totient is φ = 565959956480.

The previous prime is 1880287273099. The next prime is 1880287273141. The reversal of 1880287273128 is 8213727820881.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23861001 + ... + 23939672.

It is an arithmetic number, because the mean of its divisors is an integer number (80663637375).

Almost surely, 2^{1880287273128} is an apocalyptic number.

It is an amenable number.

1880287273128 is an abundant number, since it is smaller than the sum of its proper divisors (3282185518872).

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

1880287273128 is a wasteful number, since it uses less digits than its factorization.

1880287273128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47800842 (or 47800838 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 57.

The spelling of 1880287273128 in words is "one trillion, eight hundred eighty billion, two hundred eighty-seven million, two hundred seventy-three thousand, one hundred twenty-eight".