27680630438 has 16 divisors (see below), whose sum is σ = 42309624240. Its totient is φ = 13577487456.

The previous prime is 27680630431. The next prime is 27680630441. The reversal of 27680630438 is 83403608672.

It is a junction number, because it is equal to n+sod(n) for n = 27680630392 and 27680630401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27680630431) 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 7 ways as a sum of consecutive naturals, for example, 1534073 + ... + 1552011.

It is an arithmetic number, because the mean of its divisors is an integer number (2644351515).

Almost surely, 2^27680630438 is an apocalyptic number.

27680630438 is a deficient number, since it is larger than the sum of its proper divisors (14628993802).

27680630438 is a wasteful number, since it uses less digits than its factorization.

27680630438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32551.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 27680630438 in words is "twenty-seven billion, six hundred eighty million, six hundred thirty thousand, four hundred thirty-eight".