2740258165 has 16 divisors (see below), whose sum is σ = 3423749616. Its totient is φ = 2103667200.

The previous prime is 2740258151. The next prime is 2740258177. The reversal of 2740258165 is 5618520472.

It can be written as a sum of positive squares in 8 ways, for example, as 669826161 + 2070432004 = 25881^2 + 45502^2 .

It is not a de Polignac number, because 2740258165 - 2¹⁹ = 2739733877 is a prime.

It is a Duffinian number.

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, 97062 + ... + 122071.

It is an arithmetic number, because the mean of its divisors is an integer number (213984351).

Almost surely, 2^2740258165 is an apocalyptic number.

It is an amenable number.

2740258165 is a deficient number, since it is larger than the sum of its proper divisors (683491451).

2740258165 is a wasteful number, since it uses less digits than its factorization.

2740258165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219240.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 2740258165 is about 52347.4752495285. The cubic root of 2740258165 is about 1399.3633440253.

The spelling of 2740258165 in words is "two billion, seven hundred forty million, two hundred fifty-eight thousand, one hundred sixty-five".