272118722500 has 45 divisors (see below), whose sum is σ = 595126265041. Its totient is φ = 108837056000.

The previous prime is 272118722497. The next prime is 272118722527. The reversal of 272118722500 is 5227811272.

The square root of 272118722500 is 521650.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 172535559876 + 99583162624 = 415374^2 + 315568^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272118722500.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 26077284 + ... + 26087716.

Almost surely, 2^272118722500 is an apocalyptic number.

272118722500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

272118722500 is the 521650-th square number.

It is an amenable number.

272118722500 is an abundant number, since it is smaller than the sum of its proper divisors (323007542541).

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

272118722500 is an frugal number, since it uses more digits than its factorization.

272118722500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20890 (or 10440 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The spelling of 272118722500 in words is "two hundred seventy-two billion, one hundred eighteen million, seven hundred twenty-two thousand, five hundred".