2731215760 has 120 divisors (see below), whose sum is σ = 7858693440. Its totient is φ = 864354816.

The previous prime is 2731215757. The next prime is 2731215797. The reversal of 2731215760 is 675121372.

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 23 ways as a sum of consecutive naturals, for example, 80211 + ... + 109069.

It is an arithmetic number, because the mean of its divisors is an integer number (65489112).

Almost surely, 2^2731215760 is an apocalyptic number.

2731215760 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 2731215760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3929346720).

2731215760 is an abundant number, since it is smaller than the sum of its proper divisors (5127477680).

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

2731215760 is a wasteful number, since it uses less digits than its factorization.

2731215760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28905 (or 28886 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 2731215760 is about 52261.0348156253. The cubic root of 2731215760 is about 1397.8224242541.

The spelling of 2731215760 in words is "two billion, seven hundred thirty-one million, two hundred fifteen thousand, seven hundred sixty".