2740408399 has 6 divisors (see below), whose sum is σ = 2892231960. Its totient is φ = 2596176036.

The previous prime is 2740408379. The next prime is 2740408409. The reversal of 2740408399 is 9938040472.

It is a happy number.

2740408399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2740408399 - 2¹³ = 2740400207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740408309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3795219 + ... + 3795940.

It is an arithmetic number, because the mean of its divisors is an integer number (482038660).

Almost surely, 2^2740408399 is an apocalyptic number.

2740408399 is a deficient number, since it is larger than the sum of its proper divisors (151823561).

2740408399 is an equidigital number, since it uses as much as digits as its factorization.

2740408399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591197 (or 7591178 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2740408399 is about 52348.9101987806. The cubic root of 2740408399 is about 1399.3889168117.

The spelling of 2740408399 in words is "two billion, seven hundred forty million, four hundred eight thousand, three hundred ninety-nine".