27240261775 has 24 divisors (see below), whose sum is σ = 34259307264. Its totient is φ = 21482786400.

The previous prime is 27240261749. The next prime is 27240261781. The reversal of 27240261775 is 57716204272.

It is not a de Polignac number, because 27240261775 - 2²¹ = 27238164623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 954970 + ... + 983080.

It is an arithmetic number, because the mean of its divisors is an integer number (1427471136).

Almost surely, 2^27240261775 is an apocalyptic number.

27240261775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27240261775 is a deficient number, since it is larger than the sum of its proper divisors (7019045489).

27240261775 is a wasteful number, since it uses less digits than its factorization.

27240261775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28671 (or 28666 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 43.

It can be divided in two parts, 2724026 and 1775, that added together give a square (2725801 = 1651²).

The spelling of 27240261775 in words is "twenty-seven billion, two hundred forty million, two hundred sixty-one thousand, seven hundred seventy-five".