27440201 has 4 divisors (see below), whose sum is σ = 27453972. Its totient is φ = 27426432.

The previous prime is 27440197. The next prime is 27440207. The reversal of 27440201 is 10204472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18913801 + 8526400 = 4349^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 27440201 - 2² = 27440197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27440207) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3260 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (6863493).

Almost surely, 2^27440201 is an apocalyptic number.

It is an amenable number.

27440201 is a deficient number, since it is larger than the sum of its proper divisors (13771).

27440201 is a wasteful number, since it uses less digits than its factorization.

27440201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13770.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 27440201 is about 5238.3395269875. The cubic root of 27440201 is about 301.6215930676.

Adding to 27440201 its reverse (10204472), we get a palindrome (37644673).

The spelling of 27440201 in words is "twenty-seven million, four hundred forty thousand, two hundred one".