27088145140 has 48 divisors (see below), whose sum is σ = 65142000000. Its totient is φ = 9268728192.

The previous prime is 27088145053. The next prime is 27088145153. The reversal of 27088145140 is 4154188072.

It is a junction number, because it is equal to n+sod(n) for n = 27088145093 and 27088145102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124015 + ... + 263734.

It is an arithmetic number, because the mean of its divisors is an integer number (1357125000).

Almost surely, 2^27088145140 is an apocalyptic number.

27088145140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27088145140 is an abundant number, since it is smaller than the sum of its proper divisors (38053854860).

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

27088145140 is a wasteful number, since it uses less digits than its factorization.

27088145140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388264 (or 388262 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The spelling of 27088145140 in words is "twenty-seven billion, eighty-eight million, one hundred forty-five thousand, one hundred forty".