272204279824 has 135 divisors (see below), whose sum is σ = 567222286813. Its totient is φ = 126534618496.

The previous prime is 272204279821. The next prime is 272204279843. The reversal of 272204279824 is 428972402272.

The square root of 272204279824 is 521732.

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

It can be written as a sum of positive squares in only one way, i.e., 196231280400 + 75972999424 = 442980^2 + 275632^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272204279821) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2543965179 + ... + 2543965285.

Almost surely, 2^272204279824 is an apocalyptic number.

272204279824 is the 521732-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272204279824

272204279824 is an abundant number, since it is smaller than the sum of its proper divisors (295018006989).

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

272204279824 is an equidigital number, since it uses as much as digits as its factorization.

272204279824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 49.

Multiplying 272204279824 by its sum of digits (49), we get a square (13338009711376 = 3652124²).

The spelling of 272204279824 in words is "two hundred seventy-two billion, two hundred four million, two hundred seventy-nine thousand, eight hundred twenty-four".