27538212832 has 96 divisors (see below), whose sum is σ = 59459006880. Its totient is φ = 12477265920.

The previous prime is 27538212829. The next prime is 27538212847. The reversal of 27538212832 is 23821283572.

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 15 ways as a sum of consecutive naturals, for example, 22406394 + ... + 22407622.

It is an arithmetic number, because the mean of its divisors is an integer number (619364655).

Almost surely, 2^27538212832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27538212832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29729503440).

27538212832 is an abundant number, since it is smaller than the sum of its proper divisors (31920794048).

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

27538212832 is a wasteful number, since it uses less digits than its factorization.

27538212832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196 (or 2188 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The spelling of 27538212832 in words is "twenty-seven billion, five hundred thirty-eight million, two hundred twelve thousand, eight hundred thirty-two".