2740344458345 has 16 divisors (see below), whose sum is σ = 3599423445072. Its totient is φ = 1990464572160.

The previous prime is 2740344458303. The next prime is 2740344458353. The reversal of 2740344458345 is 5438544430472.

It can be written as a sum of positive squares in 8 ways, for example, as 996626849344 + 1743717609001 = 998312^2 + 1320499^2 .

It is not a de Polignac number, because 2740344458345 - 2¹⁸ = 2740344196201 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345562802 + ... + 345570731.

It is an arithmetic number, because the mean of its divisors is an integer number (224963965317).

Almost surely, 2^{2740344458345} is an apocalyptic number.

It is an amenable number.

2740344458345 is a deficient number, since it is larger than the sum of its proper divisors (859078986727).

2740344458345 is a wasteful number, since it uses less digits than its factorization.

2740344458345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691133612.

The product of its (nonzero) digits is 25804800, while the sum is 53.

The spelling of 2740344458345 in words is "two trillion, seven hundred forty billion, three hundred forty-four million, four hundred fifty-eight thousand, three hundred forty-five".