27044185398 has 16 divisors (see below), whose sum is σ = 55407599856. Its totient is φ = 8794856960.

The previous prime is 27044185379. The next prime is 27044185411. The reversal of 27044185398 is 89358144072.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27044185398.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 54967611 + ... + 54968102.

It is an arithmetic number, because the mean of its divisors is an integer number (3462974991).

Almost surely, 2^27044185398 is an apocalyptic number.

27044185398 is an abundant number, since it is smaller than the sum of its proper divisors (28363414458).

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

27044185398 is a wasteful number, since it uses less digits than its factorization.

27044185398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109935759.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 27044185398 in words is "twenty-seven billion, forty-four million, one hundred eighty-five thousand, three hundred ninety-eight".