272291676820 has 24 divisors (see below), whose sum is σ = 605448552744. Its totient is φ = 102509807616.

The previous prime is 272291676809. The next prime is 272291676823. The reversal of 272291676820 is 28676192272.

It can be written as a sum of positive squares in 4 ways, for example, as 25320447376 + 246971229444 = 159124^2 + 496962^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272291676823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400428597 + ... + 400429276.

It is an arithmetic number, because the mean of its divisors is an integer number (25227023031).

Almost surely, 2^272291676820 is an apocalyptic number.

272291676820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272291676820 is an abundant number, since it is smaller than the sum of its proper divisors (333156875924).

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

272291676820 is a wasteful number, since it uses less digits than its factorization.

272291676820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800857899 (or 800857897 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 272291676820 in words is "two hundred seventy-two billion, two hundred ninety-one million, six hundred seventy-six thousand, eight hundred twenty".