27040224 has 24 divisors (see below), whose sum is σ = 70980840. Its totient is φ = 9013376.

The previous prime is 27040219. The next prime is 27040241. The reversal of 27040224 is 42204072.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 27040224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140739 + ... + 140930.

It is an arithmetic number, because the mean of its divisors is an integer number (2957535).

Almost surely, 2^27040224 is an apocalyptic number.

27040224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27040224 is an abundant number, since it is smaller than the sum of its proper divisors (43940616).

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

27040224 is a wasteful number, since it uses less digits than its factorization.

27040224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281682 (or 281674 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 27040224 is about 5200.0215384169. The cubic root of 27040224 is about 300.1489038577.

Adding to 27040224 its reverse (42204072), we get a palindrome (69244296).

The spelling of 27040224 in words is "twenty-seven million, forty thousand, two hundred twenty-four".