272211540 has 24 divisors (see below), whose sum is σ = 762192480. Its totient is φ = 72589728.

The previous prime is 272211529. The next prime is 272211557. The reversal of 272211540 is 45112272.

It is a self number, because there is not a number n which added to its sum of digits gives 272211540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268370 + ... + 2268489.

It is an arithmetic number, because the mean of its divisors is an integer number (31758020).

Almost surely, 2^272211540 is an apocalyptic number.

272211540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272211540 is an abundant number, since it is smaller than the sum of its proper divisors (489980940).

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

272211540 is a wasteful number, since it uses less digits than its factorization.

272211540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536871 (or 4536869 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 272211540 is about 16498.8345042915. The cubic root of 272211540 is about 648.0902842501.

The spelling of 272211540 in words is "two hundred seventy-two million, two hundred eleven thousand, five hundred forty".