127690014640 has 40 divisors (see below), whose sum is σ = 299761626528. Its totient is φ = 50580119040.

The previous prime is 127690014619. The next prime is 127690014707. The reversal of 127690014640 is 46410096721.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 127690014593 and 127690014602.

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, 7739941 + ... + 7756420.

Almost surely, 2^127690014640 is an apocalyptic number.

127690014640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127690014640 is an abundant number, since it is smaller than the sum of its proper divisors (172071611888).

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

127690014640 is a wasteful number, since it uses less digits than its factorization.

127690014640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15496477 (or 15496471 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 127690014640 in words is "one hundred twenty-seven billion, six hundred ninety million, fourteen thousand, six hundred forty".