2542042342 has 16 divisors (see below), whose sum is σ = 4358675232. Its totient is φ = 1089224640.

The previous prime is 2542042313. The next prime is 2542042367. The reversal of 2542042342 is 2432402452.

It is a self number, because there is not a number n which added to its sum of digits gives 2542042342.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65898 + ... + 97090.

It is an arithmetic number, because the mean of its divisors is an integer number (272417202).

Almost surely, 2^2542042342 is an apocalyptic number.

2542042342 is a deficient number, since it is larger than the sum of its proper divisors (1816632890).

2542042342 is a wasteful number, since it uses less digits than its factorization.

2542042342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37023.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 2542042342 is about 50418.6705695420. The cubic root of 2542042342 is about 1364.7745859891.

Adding to 2542042342 its reverse (2432402452), we get a palindrome (4974444794).

The spelling of 2542042342 in words is "two billion, five hundred forty-two million, forty-two thousand, three hundred forty-two".