27218481272 has 8 divisors (see below), whose sum is σ = 51034652400. Its totient is φ = 13609240632.

The previous prime is 27218481253. The next prime is 27218481319.

27218481272 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701155072 + ... + 1701155087.

It is an arithmetic number, because the mean of its divisors is an integer number (6379331550).

Almost surely, 2^27218481272 is an apocalyptic number.

It is an amenable number.

27218481272 is a deficient number, since it is larger than the sum of its proper divisors (23816171128).

27218481272 is a wasteful number, since it uses less digits than its factorization.

27218481272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402310165 (or 3402310161 counting only the distinct ones).

The product of its digits is 200704, while the sum is 44.

The spelling of 27218481272 in words is "twenty-seven billion, two hundred eighteen million, four hundred eighty-one thousand, two hundred seventy-two".