27140342208 has 112 divisors (see below), whose sum is σ = 82187149824. Its totient is φ = 7743052800.

The previous prime is 27140342167. The next prime is 27140342209. The reversal of 27140342208 is 80224304172.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27140342209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927741 + ... + 956547.

Almost surely, 2^27140342208 is an apocalyptic number.

27140342208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27140342208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41093574912).

27140342208 is an abundant number, since it is smaller than the sum of its proper divisors (55046807616).

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

27140342208 is a wasteful number, since it uses less digits than its factorization.

27140342208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29530 (or 29520 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The spelling of 27140342208 in words is "twenty-seven billion, one hundred forty million, three hundred forty-two thousand, two hundred eight".