27682167442 has 24 divisors (see below), whose sum is σ = 43888674060. Its totient is φ = 13079408160.

The previous prime is 27682167427. The next prime is 27682167463. The reversal of 27682167442 is 24476128672.

It can be written as a sum of positive squares in 2 ways, for example, as 27479361361 + 202806081 = 165769^2 + 14241^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20092 + ... + 236152.

Almost surely, 2^27682167442 is an apocalyptic number.

27682167442 is a deficient number, since it is larger than the sum of its proper divisors (16206506618).

27682167442 is a wasteful number, since it uses less digits than its factorization.

27682167442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216186 (or 216139 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 49.

The spelling of 27682167442 in words is "twenty-seven billion, six hundred eighty-two million, one hundred sixty-seven thousand, four hundred forty-two".