27144244172 has 24 divisors (see below), whose sum is σ = 47758183200. Its totient is φ = 13499246336.

The previous prime is 27144244159. The next prime is 27144244207.

It is a happy number.

27144244172 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534308 + ... + 582900.

It is an arithmetic number, because the mean of its divisors is an integer number (1989924300).

Almost surely, 2^27144244172 is an apocalyptic number.

It is an amenable number.

27144244172 is a deficient number, since it is larger than the sum of its proper divisors (20613939028).

27144244172 is a wasteful number, since it uses less digits than its factorization.

27144244172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49345 (or 49343 counting only the distinct ones).

The product of its digits is 100352, while the sum is 38.

The spelling of 27144244172 in words is "twenty-seven billion, one hundred forty-four million, two hundred forty-four thousand, one hundred seventy-two".