27156040 has 16 divisors (see below), whose sum is σ = 61101180. Its totient is φ = 10862400.

The previous prime is 27156011. The next prime is 27156043. The reversal of 27156040 is 4065172.

It can be written as a sum of positive squares in 2 ways, for example, as 26646244 + 509796 = 5162^2 + 714^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27155996 and 27156014.

It is not an unprimeable number, because it can be changed into a prime (27156043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339411 + ... + 339490.

Almost surely, 2^27156040 is an apocalyptic number.

27156040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27156040 is an abundant number, since it is smaller than the sum of its proper divisors (33945140).

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

27156040 is a wasteful number, since it uses less digits than its factorization.

27156040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678912 (or 678908 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 27156040 is about 5211.1457473381. The cubic root of 27156040 is about 300.5768161589.

The spelling of 27156040 in words is "twenty-seven million, one hundred fifty-six thousand, forty".