27380527328 has 144 divisors (see below), whose sum is σ = 68547823344. Its totient is φ = 10645770240.

The previous prime is 27380527309. The next prime is 27380527333. The reversal of 27380527328 is 82372508372.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10226726 + ... + 10229402.

It is an arithmetic number, because the mean of its divisors is an integer number (476026551).

Almost surely, 2^27380527328 is an apocalyptic number.

27380527328 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 27380527328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34273911672).

27380527328 is an abundant number, since it is smaller than the sum of its proper divisors (41167296016).

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

27380527328 is a wasteful number, since it uses less digits than its factorization.

27380527328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 27380527328 in words is "twenty-seven billion, three hundred eighty million, five hundred twenty-seven thousand, three hundred twenty-eight".