129627866087040 has 128 divisors (see below), whose sum is σ = 413339145120000. Its totient is φ = 34554855002112.

The previous prime is 129627866087021. The next prime is 129627866087063. The reversal of 129627866087040 is 40780668726921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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, 7001752 + ... + 17557911.

It is an arithmetic number, because the mean of its divisors is an integer number (3229212071250).

Almost surely, 2^{129627866087040} is an apocalyptic number.

129627866087040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129627866087040 is an abundant number, since it is smaller than the sum of its proper divisors (283711279032960).

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

129627866087040 is a wasteful number, since it uses less digits than its factorization.

129627866087040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24562434 (or 24562422 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 129627866087040 in words is "one hundred twenty-nine trillion, six hundred twenty-seven billion, eight hundred sixty-six million, eighty-seven thousand, forty".