27040660 has 24 divisors (see below), whose sum is σ = 57566376. Its totient is φ = 10667520.

The previous prime is 27040631. The next prime is 27040661. The reversal of 27040660 is 6604072.

It can be written as a sum of positive squares in 4 ways, for example, as 11532816 + 15507844 = 3396^2 + 3938^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27040661) 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 7 ways as a sum of consecutive naturals, for example, 7801 + ... + 10720.

It is an arithmetic number, because the mean of its divisors is an integer number (2398599).

Almost surely, 2^27040660 is an apocalyptic number.

27040660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27040660 is an abundant number, since it is smaller than the sum of its proper divisors (30525716).

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

27040660 is a wasteful number, since it uses less digits than its factorization.

27040660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18603 (or 18601 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 27040660 is about 5200.0634611512. The cubic root of 27040660 is about 300.1505170620.

The spelling of 27040660 in words is "twenty-seven million, forty thousand, six hundred sixty".