272866378932 has 144 divisors (see below), whose sum is σ = 803565584640. Its totient is φ = 76451641344.

The previous prime is 272866378919. The next prime is 272866378969. The reversal of 272866378932 is 239873668272.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 272866378932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34628169 + ... + 34636047.

It is an arithmetic number, because the mean of its divisors is an integer number (5580316560).

Almost surely, 2^272866378932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272866378932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401782792320).

272866378932 is an abundant number, since it is smaller than the sum of its proper divisors (530699205708).

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

272866378932 is a wasteful number, since it uses less digits than its factorization.

272866378932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10542 (or 10537 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The spelling of 272866378932 in words is "two hundred seventy-two billion, eight hundred sixty-six million, three hundred seventy-eight thousand, nine hundred thirty-two".