27240444 has 144 divisors (see below), whose sum is σ = 88897536. Its totient is φ = 6825600.

The previous prime is 27240439. The next prime is 27240467. The reversal of 27240444 is 44404272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85774 + ... + 86090.

It is an arithmetic number, because the mean of its divisors is an integer number (617344).

Almost surely, 2^27240444 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 27240444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44448768).

27240444 is an abundant number, since it is smaller than the sum of its proper divisors (61657092).

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

27240444 is a wasteful number, since it uses less digits than its factorization.

27240444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 27240444 is about 5219.2378753991. The cubic root of 27240444 is about 300.8879028359.

It can be divided in two parts, 27 and 240444, that added together give a triangular number (240471 = T₆₉₃).

The spelling of 27240444 in words is "twenty-seven million, two hundred forty thousand, four hundred forty-four".