27240010221 has 8 divisors (see below), whose sum is σ = 37005297120. Its totient is φ = 17817365072.

The previous prime is 27240010219. The next prime is 27240010223. The reversal of 27240010221 is 12201004272.

It is an interprime number because it is at equal distance from previous prime (27240010219) and next prime (27240010223).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27240010221 - 2¹ = 27240010219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27240010223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85660251 + ... + 85660568.

It is an arithmetic number, because the mean of its divisors is an integer number (4625662140).

Almost surely, 2^27240010221 is an apocalyptic number.

It is an amenable number.

27240010221 is a deficient number, since it is larger than the sum of its proper divisors (9765286899).

27240010221 is a wasteful number, since it uses less digits than its factorization.

27240010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171320875.

The product of its (nonzero) digits is 448, while the sum is 21.

Adding to 27240010221 its reverse (12201004272), we get a palindrome (39441014493).

The spelling of 27240010221 in words is "twenty-seven billion, two hundred forty million, ten thousand, two hundred twenty-one".