272215188728 has 16 divisors (see below), whose sum is σ = 583318261680. Its totient is φ = 116663652288.

The previous prime is 272215188719. The next prime is 272215188823. The reversal of 272215188728 is 827881512272.

272215188728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×272215188728² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 272215188728.

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 3 ways as a sum of consecutive naturals, for example, 2430492701 + ... + 2430492812.

It is an arithmetic number, because the mean of its divisors is an integer number (36457391355).

Almost surely, 2^272215188728 is an apocalyptic number.

272215188728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

272215188728 is an abundant number, since it is smaller than the sum of its proper divisors (311103072952).

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

272215188728 is a wasteful number, since it uses less digits than its factorization.

272215188728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860985526 (or 4860985522 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 53.

The spelling of 272215188728 in words is "two hundred seventy-two billion, two hundred fifteen million, one hundred eighty-eight thousand, seven hundred twenty-eight".