272211317180 has 96 divisors (see below), whose sum is σ = 651551040000. Its totient is φ = 94561998080.

The previous prime is 272211317173. The next prime is 272211317197. The reversal of 272211317180 is 81713112272.

It is a self number, because there is not a number n which added to its sum of digits gives 272211317180.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3999071 + ... + 4066569.

It is an arithmetic number, because the mean of its divisors is an integer number (6786990000).

Almost surely, 2^272211317180 is an apocalyptic number.

272211317180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272211317180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325775520000).

272211317180 is an abundant number, since it is smaller than the sum of its proper divisors (379339722820).

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

272211317180 is a wasteful number, since it uses less digits than its factorization.

272211317180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68339 (or 68337 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 35.

The spelling of 272211317180 in words is "two hundred seventy-two billion, two hundred eleven million, three hundred seventeen thousand, one hundred eighty".