127543840044 has 48 divisors (see below), whose sum is σ = 311412554208. Its totient is φ = 40585079808.

The previous prime is 127543840031. The next prime is 127543840139. The reversal of 127543840044 is 440048345721.

It is a super-2 number, since 2×127543840044² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 127543839978 and 127543840005.

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, 2686477 + ... + 2733540.

It is an arithmetic number, because the mean of its divisors is an integer number (6487761546).

Almost surely, 2^127543840044 is an apocalyptic number.

It is an amenable number.

127543840044 is an abundant number, since it is smaller than the sum of its proper divisors (183868714164).

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

127543840044 is a wasteful number, since it uses less digits than its factorization.

127543840044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420114 (or 5420112 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 127543840044 in words is "one hundred twenty-seven billion, five hundred forty-three million, eight hundred forty thousand, forty-four".