2542268443 has 24 divisors (see below), whose sum is σ = 3026494800. Its totient is φ = 2121218880.

The previous prime is 2542268431. The next prime is 2542268447. The reversal of 2542268443 is 3448622452.

It is a de Polignac number, because none of the positive numbers 2^k-2542268443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2542268396 and 2542268405.

It is not an unprimeable number, because it can be changed into a prime (2542268447) 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 in 23 ways as a sum of consecutive naturals, for example, 277053 + ... + 286081.

It is an arithmetic number, because the mean of its divisors is an integer number (126103950).

Almost surely, 2^2542268443 is an apocalyptic number.

2542268443 is a deficient number, since it is larger than the sum of its proper divisors (484226357).

2542268443 is a wasteful number, since it uses less digits than its factorization.

2542268443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9243 (or 9232 counting only the distinct ones).

The product of its digits is 368640, while the sum is 40.

The square root of 2542268443 is about 50420.9127545307. The cubic root of 2542268443 is about 1364.8150479102.

The spelling of 2542268443 in words is "two billion, five hundred forty-two million, two hundred sixty-eight thousand, four hundred forty-three".