27340641255 has 24 divisors (see below), whose sum is σ = 46469637072. Its totient is φ = 13723927552.

The previous prime is 27340641253. The next prime is 27340641389. The reversal of 27340641255 is 55214604372.

It is not a de Polignac number, because 27340641255 - 2¹ = 27340641253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27340641253) 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 23 ways as a sum of consecutive naturals, for example, 3149142 + ... + 3157811.

It is an arithmetic number, because the mean of its divisors is an integer number (1936234878).

Almost surely, 2^27340641255 is an apocalyptic number.

27340641255 is a deficient number, since it is larger than the sum of its proper divisors (19128995817).

27340641255 is a wasteful number, since it uses less digits than its factorization.

27340641255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306995 (or 6306978 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 27340641255 in words is "twenty-seven billion, three hundred forty million, six hundred forty-one thousand, two hundred fifty-five".