27740159880 has 32 divisors (see below), whose sum is σ = 83220480000. Its totient is φ = 7397375936.

The previous prime is 27740159807. The next prime is 27740159891. The reversal of 27740159880 is 8895104772.

It is a super-2 number, since 2×27740159880² (a number of 22 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 7 ways as a sum of consecutive naturals, for example, 115583880 + ... + 115584119.

It is an arithmetic number, because the mean of its divisors is an integer number (2600640000).

Almost surely, 2^27740159880 is an apocalyptic number.

27740159880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27740159880 is an abundant number, since it is smaller than the sum of its proper divisors (55480320120).

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

27740159880 is a wasteful number, since it uses less digits than its factorization.

27740159880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231168013 (or 231168009 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 27740159880 in words is "twenty-seven billion, seven hundred forty million, one hundred fifty-nine thousand, eight hundred eighty".