2440342403 has 2 divisors, whose sum is σ = 2440342404. Its totient is φ = 2440342402.

The previous prime is 2440342391. The next prime is 2440342409. The reversal of 2440342403 is 3042430442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2440342403 - 2⁸ = 2440342147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2440342409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220171201 + 1220171202.

It is an arithmetic number, because the mean of its divisors is an integer number (1220171202).

Almost surely, 2^2440342403 is an apocalyptic number.

2440342403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440342403 is an equidigital number, since it uses as much as digits as its factorization.

2440342403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2440342403 is about 49399.8218923915. The cubic root of 2440342403 is about 1346.3260698033.

Adding to 2440342403 its reverse (3042430442), we get a palindrome (5482772845).

The spelling of 2440342403 in words is "two billion, four hundred forty million, three hundred forty-two thousand, four hundred three".