2731276340 has 48 divisors (see below), whose sum is σ = 6238103760. Its totient is φ = 998476800.

The previous prime is 2731276337. The next prime is 2731276343. The reversal of 2731276340 is 436721372.

2731276340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2731276337) and next prime (2731276343).

It can be written as a sum of positive squares in 8 ways, for example, as 166461604 + 2564814736 = 12902^2 + 50644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2731276340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731276343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25745 + ... + 78264.

It is an arithmetic number, because the mean of its divisors is an integer number (129960495).

Almost surely, 2^2731276340 is an apocalyptic number.

2731276340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2731276340 is an abundant number, since it is smaller than the sum of its proper divisors (3506827420).

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

2731276340 is a wasteful number, since it uses less digits than its factorization.

2731276340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104132 (or 104130 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 2731276340 is about 52261.6144029248. The cubic root of 2731276340 is about 1397.8327590236.

The spelling of 2731276340 in words is "two billion, seven hundred thirty-one million, two hundred seventy-six thousand, three hundred forty".