27445632244 has 12 divisors (see below), whose sum is σ = 48608529984. Its totient is φ = 13557480824.

The previous prime is 27445632241. The next prime is 27445632283. The reversal of 27445632244 is 44223654472.

It is a self number, because there is not a number n which added to its sum of digits gives 27445632244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27445632241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41333452 + ... + 41334115.

It is an arithmetic number, because the mean of its divisors is an integer number (4050710832).

Almost surely, 2^27445632244 is an apocalyptic number.

It is an amenable number.

27445632244 is a deficient number, since it is larger than the sum of its proper divisors (21162897740).

27445632244 is a wasteful number, since it uses less digits than its factorization.

27445632244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82667654 (or 82667652 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 43.

The spelling of 27445632244 in words is "twenty-seven billion, four hundred forty-five million, six hundred thirty-two thousand, two hundred forty-four".