27540128 has 48 divisors (see below), whose sum is σ = 67604544. Its totient is φ = 10728960.

The previous prime is 27540127. The next prime is 27540133. The reversal of 27540128 is 82104572.

It is a self number, because there is not a number n which added to its sum of digits gives 27540128.

It is not an unprimeable number, because it can be changed into a prime (27540127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3125 + ... + 8052.

It is an arithmetic number, because the mean of its divisors is an integer number (1408428).

Almost surely, 2^27540128 is an apocalyptic number.

27540128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27540128 is an abundant number, since it is smaller than the sum of its proper divisors (40064416).

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

27540128 is a wasteful number, since it uses less digits than its factorization.

27540128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11205 (or 11197 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 27540128 is about 5247.8689008015. The cubic root of 27540128 is about 301.9872807239.

The spelling of 27540128 in words is "twenty-seven million, five hundred forty thousand, one hundred twenty-eight".