27940256 has 12 divisors (see below), whose sum is σ = 55007442. Its totient is φ = 13970112.

The previous prime is 27940249. The next prime is 27940261. The reversal of 27940256 is 65204972.

It can be written as a sum of positive squares in only one way, i.e., 27920656 + 19600 = 5284^2 + 140^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 436535 + ... + 436598.

Almost surely, 2^27940256 is an apocalyptic number.

It is an amenable number.

27940256 is a deficient number, since it is larger than the sum of its proper divisors (27067186).

27940256 is an equidigital number, since it uses as much as digits as its factorization.

27940256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873143 (or 873135 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 27940256 is about 5285.8543301911. The cubic root of 27940256 is about 303.4427696208.

The spelling of 27940256 in words is "twenty-seven million, nine hundred forty thousand, two hundred fifty-six".