27447364160 has 28 divisors (see below), whose sum is σ = 65359036668. Its totient is φ = 10978945536.

The previous prime is 27447364151. The next prime is 27447364171. The reversal of 27447364160 is 6146374472.

It can be written as a sum of positive squares in 2 ways, for example, as 19280988736 + 8166375424 = 138856^2 + 90368^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42886187 + ... + 42886826.

Almost surely, 2^27447364160 is an apocalyptic number.

27447364160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27447364160 is an abundant number, since it is smaller than the sum of its proper divisors (37911672508).

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

27447364160 is an equidigital number, since it uses as much as digits as its factorization.

27447364160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85773030 (or 85773020 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 27447364160 in words is "twenty-seven billion, four hundred forty-seven million, three hundred sixty-four thousand, one hundred sixty".