27440272243 has 8 divisors (see below), whose sum is σ = 27547737120. Its totient is φ = 27332848320.

The previous prime is 27440272219. The next prime is 27440272267. The reversal of 27440272243 is 34227204472.

It is an interprime number because it is at equal distance from previous prime (27440272219) and next prime (27440272267).

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 27440272243 - 2¹⁷ = 27440141171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27440272273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2635578 + ... + 2645968.

It is an arithmetic number, because the mean of its divisors is an integer number (3443467140).

Almost surely, 2^27440272243 is an apocalyptic number.

27440272243 is a deficient number, since it is larger than the sum of its proper divisors (107464877).

27440272243 is a wasteful number, since it uses less digits than its factorization.

27440272243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20477.

The product of its (nonzero) digits is 150528, while the sum is 37.

The spelling of 27440272243 in words is "twenty-seven billion, four hundred forty million, two hundred seventy-two thousand, two hundred forty-three".