27147681470340 has 144 divisors (see below), whose sum is σ = 85239524278272. Its totient is φ = 6988260158208.

The previous prime is 27147681470311. The next prime is 27147681470341. The reversal of 27147681470340 is 4307418674172.

It is a happy number.

27147681470340 is a `hidden beast` number, since 2 + 71 + 4 + 7 + 68 + 1 + 470 + 3 + 40 = 666.

It is not an unprimeable number, because it can be changed into a prime (27147681470341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15202324 + ... + 16893963.

Almost surely, 2^{27147681470340} is an apocalyptic number.

27147681470340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27147681470340 is an abundant number, since it is smaller than the sum of its proper divisors (58091842807932).

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

27147681470340 is a wasteful number, since it uses less digits than its factorization.

27147681470340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32096466 (or 32096461 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 27147681470340 in words is "twenty-seven trillion, one hundred forty-seven billion, six hundred eighty-one million, four hundred seventy thousand, three hundred forty".