27444541056 has 128 divisors (see below), whose sum is σ = 79678287360. Its totient is φ = 8332247040.

The previous prime is 27444541031. The next prime is 27444541057. The reversal of 27444541056 is 65014544472.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 27444540999 and 27444541017.

It is not an unprimeable number, because it can be changed into a prime (27444541057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134560 + ... + 270176.

It is an arithmetic number, because the mean of its divisors is an integer number (622486620).

Almost surely, 2^27444541056 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 27444541056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39839143680).

27444541056 is an abundant number, since it is smaller than the sum of its proper divisors (52233746304).

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

27444541056 is a wasteful number, since it uses less digits than its factorization.

27444541056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135682 (or 135670 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 27444541056 in words is "twenty-seven billion, four hundred forty-four million, five hundred forty-one thousand, fifty-six".