27472856560 has 20 divisors (see below), whose sum is σ = 63874391688. Its totient is φ = 10989142592.

The previous prime is 27472856539. The next prime is 27472856597. The reversal of 27472856560 is 6565827472.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 27472856498 and 27472856507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171705274 + ... + 171705433.

Almost surely, 2^27472856560 is an apocalyptic number.

27472856560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27472856560 is an abundant number, since it is smaller than the sum of its proper divisors (36401535128).

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

27472856560 is a wasteful number, since it uses less digits than its factorization.

27472856560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343410720 (or 343410714 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 27472856560 in words is "twenty-seven billion, four hundred seventy-two million, eight hundred fifty-six thousand, five hundred sixty".