27127327728440 has 16 divisors (see below), whose sum is σ = 61036487389080. Its totient is φ = 10850931091360.

The previous prime is 27127327728427. The next prime is 27127327728469. The reversal of 27127327728440 is 4482772372172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339091596566 + ... + 339091596645.

Almost surely, 2^{27127327728440} is an apocalyptic number.

27127327728440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27127327728440 is an abundant number, since it is smaller than the sum of its proper divisors (33909159660640).

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

27127327728440 is a wasteful number, since it uses less digits than its factorization.

27127327728440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678183193222 (or 678183193218 counting only the distinct ones).

The product of its (nonzero) digits is 14751744, while the sum is 56.

The spelling of 27127327728440 in words is "twenty-seven trillion, one hundred twenty-seven billion, three hundred twenty-seven million, seven hundred twenty-eight thousand, four hundred forty".