127680520144 has 40 divisors (see below), whose sum is σ = 275718781440. Its totient is φ = 56922582528.

The previous prime is 127680520067. The next prime is 127680520157. The reversal of 127680520144 is 441025086721.

It is a junction number, because it is equal to n+sod(n) for n = 127680520097 and 127680520106.

It is a congruent number.

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, 12347824 + ... + 12358159.

It is an arithmetic number, because the mean of its divisors is an integer number (6892969536).

Almost surely, 2^127680520144 is an apocalyptic number.

It is an amenable number.

127680520144 is an abundant number, since it is smaller than the sum of its proper divisors (148038261296).

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

127680520144 is a wasteful number, since it uses less digits than its factorization.

127680520144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24706027 (or 24706021 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 127680520144 in words is "one hundred twenty-seven billion, six hundred eighty million, five hundred twenty thousand, one hundred forty-four".