27442156 has 36 divisors (see below), whose sum is σ = 58812600. Its totient is φ = 11140416.

The previous prime is 27442141. The next prime is 27442169. The reversal of 27442156 is 65124472.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40 + ... + 7408.

Almost surely, 2^27442156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27442156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29406300).

27442156 is an abundant number, since it is smaller than the sum of its proper divisors (31370444).

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

27442156 is a wasteful number, since it uses less digits than its factorization.

27442156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7406 (or 7397 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 27442156 is about 5238.5261285976. The cubic root of 27442156 is about 301.6287559914.

It can be divided in two parts, 2744 and 2156, that added together give a square (4900 = 70²).

The spelling of 27442156 in words is "twenty-seven million, four hundred forty-two thousand, one hundred fifty-six".