2540242533005 has 4 divisors (see below), whose sum is σ = 3048291039612. Its totient is φ = 2032194026400.

The previous prime is 2540242532957. The next prime is 2540242533007. The reversal of 2540242533005 is 5003352420452.

2540242533005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1022214014116 + 1518028518889 = 1011046^2 + 1232083^2 .

It is not a de Polignac number, because 2540242533005 - 2¹² = 2540242528909 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 (2540242533007) 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, 254024253296 + ... + 254024253305.

It is an arithmetic number, because the mean of its divisors is an integer number (762072759903).

Almost surely, 2^{2540242533005} is an apocalyptic number.

It is an amenable number.

2540242533005 is a deficient number, since it is larger than the sum of its proper divisors (508048506607).

2540242533005 is an equidigital number, since it uses as much as digits as its factorization.

2540242533005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508048506606.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 2540242533005 its reverse (5003352420452), we get a palindrome (7543594953457).

The spelling of 2540242533005 in words is "two trillion, five hundred forty billion, two hundred forty-two million, five hundred thirty-three thousand, five".