2540446423 has 2 divisors, whose sum is σ = 2540446424. Its totient is φ = 2540446422.

The previous prime is 2540446379. The next prime is 2540446481. The reversal of 2540446423 is 3246440452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2540446423 - 2⁹ = 2540445911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540446123) by changing a digit.

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 as a sum of consecutive naturals, namely, 1270223211 + 1270223212.

It is an arithmetic number, because the mean of its divisors is an integer number (1270223212).

Almost surely, 2^2540446423 is an apocalyptic number.

2540446423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540446423 is an equidigital number, since it uses as much as digits as its factorization.

2540446423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 34.

The square root of 2540446423 is about 50402.8414179201. The cubic root of 2540446423 is about 1364.4889199297.

Adding to 2540446423 its reverse (3246440452), we get a palindrome (5786886875).

The spelling of 2540446423 in words is "two billion, five hundred forty million, four hundred forty-six thousand, four hundred twenty-three".