27140440 has 32 divisors (see below), whose sum is σ = 61246080. Its totient is φ = 10824192.

The previous prime is 27140431. The next prime is 27140441. The reversal of 27140440 is 4404172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27140441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16537 + ... + 18103.

It is an arithmetic number, because the mean of its divisors is an integer number (1913940).

Almost surely, 2^27140440 is an apocalyptic number.

27140440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27140440 is an abundant number, since it is smaller than the sum of its proper divisors (34105640).

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

27140440 is a wasteful number, since it uses less digits than its factorization.

27140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 2007 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 27140440 is about 5209.6487405582. The cubic root of 27140440 is about 300.5192488982.

The spelling of 27140440 in words is "twenty-seven million, one hundred forty thousand, four hundred forty".