127838877040 has 40 divisors (see below), whose sum is σ = 339686160480. Its totient is φ = 43830471936.

The previous prime is 127838877017. The next prime is 127838877059. The reversal of 127838877040 is 40778838721.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 114141295 + ... + 114142414.

It is an arithmetic number, because the mean of its divisors is an integer number (8492154012).

Almost surely, 2^127838877040 is an apocalyptic number.

127838877040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127838877040 is an abundant number, since it is smaller than the sum of its proper divisors (211847283440).

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

127838877040 is a wasteful number, since it uses less digits than its factorization.

127838877040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228283729 (or 228283723 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 55.

The spelling of 127838877040 in words is "one hundred twenty-seven billion, eight hundred thirty-eight million, eight hundred seventy-seven thousand, forty".