2740268155 has 4 divisors (see below), whose sum is σ = 3288321792. Its totient is φ = 2192214520.

The previous prime is 2740268147. The next prime is 2740268171. The reversal of 2740268155 is 5518620472.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2740268155 - 2³ = 2740268147 is a prime.

It is a super-2 number, since 2×2740268155² = 15018139122614208050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 274026811 + ... + 274026820.

It is an arithmetic number, because the mean of its divisors is an integer number (822080448).

Almost surely, 2^2740268155 is an apocalyptic number.

2740268155 is a deficient number, since it is larger than the sum of its proper divisors (548053637).

2740268155 is an equidigital number, since it uses as much as digits as its factorization.

2740268155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548053636.

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

The square root of 2740268155 is about 52347.5706695163. The cubic root of 2740268155 is about 1399.3650445491.

The spelling of 2740268155 in words is "two billion, seven hundred forty million, two hundred sixty-eight thousand, one hundred fifty-five".