2740864039 has 4 divisors (see below), whose sum is σ = 2829279040. Its totient is φ = 2652449040.

The previous prime is 2740864031. The next prime is 2740864043. The reversal of 2740864039 is 9304680472.

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

It is a cyclic number.

It is not a de Polignac number, because 2740864039 - 2³ = 2740864031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2740863986 and 2740864004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740864031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44207454 + ... + 44207515.

It is an arithmetic number, because the mean of its divisors is an integer number (707319760).

Almost surely, 2^2740864039 is an apocalyptic number.

2740864039 is a deficient number, since it is larger than the sum of its proper divisors (88415001).

2740864039 is an equidigital number, since it uses as much as digits as its factorization.

2740864039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88415000.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 2740864039 is about 52353.2619709603. The cubic root of 2740864039 is about 1399.4664700007.

The spelling of 2740864039 in words is "two billion, seven hundred forty million, eight hundred sixty-four thousand, thirty-nine".