27383616256 has 72 divisors (see below), whose sum is σ = 55972111104. Its totient is φ = 13366993920.

The previous prime is 27383616217. The next prime is 27383616277. The reversal of 27383616256 is 65261638372.

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 7 ways as a sum of consecutive naturals, for example, 1864815 + ... + 1879441.

It is an arithmetic number, because the mean of its divisors is an integer number (777390432).

Almost surely, 2^27383616256 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 27383616256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27986055552).

27383616256 is an abundant number, since it is smaller than the sum of its proper divisors (28588494848).

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

27383616256 is a wasteful number, since it uses less digits than its factorization.

27383616256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14817 (or 14803 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

It can be divided in two parts, 273836 and 16256, that added together give a palindrome (290092).

The spelling of 27383616256 in words is "twenty-seven billion, three hundred eighty-three million, six hundred sixteen thousand, two hundred fifty-six".