27680444 has 18 divisors (see below), whose sum is σ = 53245752. Its totient is φ = 12581800.

The previous prime is 27680423. The next prime is 27680449. The reversal of 27680444 is 44408672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27680449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28112 + ... + 29079.

Almost surely, 2^27680444 is an apocalyptic number.

It is an amenable number.

27680444 is a deficient number, since it is larger than the sum of its proper divisors (25565308).

27680444 is a wasteful number, since it uses less digits than its factorization.

27680444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57217 (or 57204 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 27680444 is about 5261.2207708858. The cubic root of 27680444 is about 302.4992837449.

The spelling of 27680444 in words is "twenty-seven million, six hundred eighty thousand, four hundred forty-four".