27143540260 has 24 divisors (see below), whose sum is σ = 57020306616. Its totient is φ = 10853821440.

The previous prime is 27143540233. The next prime is 27143540299. The reversal of 27143540260 is 6204534172.

It can be written as a sum of positive squares in 4 ways, for example, as 16958290176 + 10185250084 = 130224^2 + 100922^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162327 + ... + 283966.

It is an arithmetic number, because the mean of its divisors is an integer number (2375846109).

Almost surely, 2^27143540260 is an apocalyptic number.

27143540260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27143540260 is an abundant number, since it is smaller than the sum of its proper divisors (29876766356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27143540260 is a wasteful number, since it uses less digits than its factorization.

27143540260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449343 (or 449341 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 27143540260 in words is "twenty-seven billion, one hundred forty-three million, five hundred forty thousand, two hundred sixty".