27261216272 has 20 divisors (see below), whose sum is σ = 53134890816. Its totient is φ = 13548986400.

The previous prime is 27261216253. The next prime is 27261216293.

It is a happy number.

27261216272 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 5098604 + ... + 5103947.

Almost surely, 2^27261216272 is an apocalyptic number.

It is an amenable number.

27261216272 is a deficient number, since it is larger than the sum of its proper divisors (25873674544).

27261216272 is a wasteful number, since it uses less digits than its factorization.

27261216272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202726 (or 10202720 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The spelling of 27261216272 in words is "twenty-seven billion, two hundred sixty-one million, two hundred sixteen thousand, two hundred seventy-two".