27680423004 has 48 divisors (see below), whose sum is σ = 77284375840. Its totient is φ = 8517052800.

The previous prime is 27680423003. The next prime is 27680423083. The reversal of 27680423004 is 40032408672.

27680423004 is a `hidden beast` number, since 276 + 80 + 4 + 2 + 300 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 27680423004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27680423003) 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 15 ways as a sum of consecutive naturals, for example, 9856297 + ... + 9859104.

Almost surely, 2^27680423004 is an apocalyptic number.

It is an amenable number.

27680423004 is an abundant number, since it is smaller than the sum of its proper divisors (49603952836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27680423004 is a wasteful number, since it uses less digits than its factorization.

27680423004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19715427 (or 19715419 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 27680423004 in words is "twenty-seven billion, six hundred eighty million, four hundred twenty-three thousand, four".