2740249156 has 24 divisors (see below), whose sum is σ = 4928634200. Its totient is φ = 1332122112.

The previous prime is 2740249153. The next prime is 2740249177. The reversal of 2740249156 is 6519420472.

It can be written as a sum of positive squares in 4 ways, for example, as 1340292100 + 1399957056 = 36610^2 + 37416^2 .

It is not an unprimeable number, because it can be changed into a prime (2740249153) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 223276 + ... + 235228.

Almost surely, 2^2740249156 is an apocalyptic number.

It is an amenable number.

2740249156 is a deficient number, since it is larger than the sum of its proper divisors (2188385044).

2740249156 is a wasteful number, since it uses less digits than its factorization.

2740249156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13543 (or 13541 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2740249156 is about 52347.3891994625. The cubic root of 2740249156 is about 1399.3618104863.

The spelling of 2740249156 in words is "two billion, seven hundred forty million, two hundred forty-nine thousand, one hundred fifty-six".