2731332560 has 80 divisors (see below), whose sum is σ = 6949323072. Its totient is φ = 990105600.

The previous prime is 2731332533. The next prime is 2731332613. The reversal of 2731332560 is 652331372.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286592 + ... + 295968.

Almost surely, 2^2731332560 is an apocalyptic number.

2731332560 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 2731332560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3474661536).

2731332560 is an abundant number, since it is smaller than the sum of its proper divisors (4217990512).

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

2731332560 is a wasteful number, since it uses less digits than its factorization.

2731332560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9732 (or 9726 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 2731332560 is about 52262.1522710269. The cubic root of 2731332560 is about 1397.8423498533.

The spelling of 2731332560 in words is "two billion, seven hundred thirty-one million, three hundred thirty-two thousand, five hundred sixty".