27480806418 has 24 divisors (see below), whose sum is σ = 59514648048. Its totient is φ = 8455632432.

The previous prime is 27480806417. The next prime is 27480806443. The reversal of 27480806418 is 81460808472.

27480806418 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (27480806417) 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 11 ways as a sum of consecutive naturals, for example, 13549680 + ... + 13551707.

It is an arithmetic number, because the mean of its divisors is an integer number (2479777002).

Almost surely, 2^27480806418 is an apocalyptic number.

27480806418 is an abundant number, since it is smaller than the sum of its proper divisors (32033841630).

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

27480806418 is a wasteful number, since it uses less digits than its factorization.

27480806418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27101418 (or 27101405 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 27480806418 in words is "twenty-seven billion, four hundred eighty million, eight hundred six thousand, four hundred eighteen".