27256140 has 36 divisors (see below), whose sum is σ = 82677504. Its totient is φ = 7268256.

The previous prime is 27256133. The next prime is 27256147. The reversal of 27256140 is 4165272.

27256140 is a `hidden beast` number, since 27 + 25 + 614 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (27256133) and next prime (27256147).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (27256147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75532 + ... + 75891.

Almost surely, 2^27256140 is an apocalyptic number.

27256140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27256140 is an abundant number, since it is smaller than the sum of its proper divisors (55421364).

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

27256140 is a wasteful number, since it uses less digits than its factorization.

27256140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151438 (or 151433 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 27256140 is about 5220.7413266700. The cubic root of 27256140 is about 300.9456824831.

The spelling of 27256140 in words is "twenty-seven million, two hundred fifty-six thousand, one hundred forty".