2440640353 has 2 divisors, whose sum is σ = 2440640354. Its totient is φ = 2440640352.

The previous prime is 2440640351. The next prime is 2440640357. The reversal of 2440640353 is 3530460442.

2440640353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2367503649 + 73136704 = 48657^2 + 8552^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440640353 - 2¹ = 2440640351 is a prime.

Together with 2440640351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2440640351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220320176 + 1220320177.

It is an arithmetic number, because the mean of its divisors is an integer number (1220320177).

Almost surely, 2^2440640353 is an apocalyptic number.

It is an amenable number.

2440640353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440640353 is an equidigital number, since it uses as much as digits as its factorization.

2440640353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 2440640353 is about 49402.8374994797. The cubic root of 2440640353 is about 1346.3808601376.

The spelling of 2440640353 in words is "two billion, four hundred forty million, six hundred forty thousand, three hundred fifty-three".