27427481160 has 128 divisors (see below), whose sum is σ = 87800112000. Its totient is φ = 6834087936.

The previous prime is 27427481153. The next prime is 27427481183. The reversal of 27427481160 is 6118472472.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84046 + ... + 248834.

It is an arithmetic number, because the mean of its divisors is an integer number (685938375).

Almost surely, 2^27427481160 is an apocalyptic number.

27427481160 is a gapful number since it is divisible by the number (20) 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 27427481160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43900056000).

27427481160 is an abundant number, since it is smaller than the sum of its proper divisors (60372630840).

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

27427481160 is a wasteful number, since it uses less digits than its factorization.

27427481160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164895 (or 164891 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 27427481160 in words is "twenty-seven billion, four hundred twenty-seven million, four hundred eighty-one thousand, one hundred sixty".