18127380440680 has 64 divisors (see below), whose sum is σ = 46615182906240. Its totient is φ = 6214846010112.

The previous prime is 18127380440677. The next prime is 18127380440759. The reversal of 18127380440680 is 8604408372181.

It is a super-2 number, since 2×18127380440680² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5544439 + ... + 8185081.

It is an arithmetic number, because the mean of its divisors is an integer number (728362232910).

Almost surely, 2^{18127380440680} is an apocalyptic number.

18127380440680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18127380440680 is an abundant number, since it is smaller than the sum of its proper divisors (28487802465560).

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

18127380440680 is a wasteful number, since it uses less digits than its factorization.

18127380440680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665178 (or 2665174 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 18127380440680 in words is "eighteen trillion, one hundred twenty-seven billion, three hundred eighty million, four hundred forty thousand, six hundred eighty".