27456243556 has 96 divisors (see below), whose sum is σ = 58370859008. Its totient is φ = 11051873280.

The previous prime is 27456243553. The next prime is 27456243613. The reversal of 27456243556 is 65534265472.

It is not an unprimeable number, because it can be changed into a prime (27456243553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6081556 + ... + 6086068.

Almost surely, 2^27456243556 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 27456243556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29185429504).

27456243556 is an abundant number, since it is smaller than the sum of its proper divisors (30914615452).

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

27456243556 is a wasteful number, since it uses less digits than its factorization.

27456243556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761 (or 4759 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 49.

The spelling of 27456243556 in words is "twenty-seven billion, four hundred fifty-six million, two hundred forty-three thousand, five hundred fifty-six".