2732240664272 has 80 divisors (see below), whose sum is σ = 6083286097152. Its totient is φ = 1164523530240.

The previous prime is 2732240664271. The next prime is 2732240664289. The reversal of 2732240664272 is 2724660422372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2732240664271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19986938 + ... + 20123174.

Almost surely, 2^{2732240664272} 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 2732240664272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3041643048576).

2732240664272 is an abundant number, since it is smaller than the sum of its proper divisors (3351045432880).

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

2732240664272 is a wasteful number, since it uses less digits than its factorization.

2732240664272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137236 (or 137230 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 47.

The spelling of 2732240664272 in words is "two trillion, seven hundred thirty-two billion, two hundred forty million, six hundred sixty-four thousand, two hundred seventy-two".