2042342340 has 48 divisors (see below), whose sum is σ = 5747620032. Its totient is φ = 541856896.

The previous prime is 2042342327. The next prime is 2042342347. The reversal of 2042342340 is 432432402.

It is a self number, because there is not a number n which added to its sum of digits gives 2042342340.

It is not an unprimeable number, because it can be changed into a prime (2042342347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74574 + ... + 98213.

It is an arithmetic number, because the mean of its divisors is an integer number (119742084).

Almost surely, 2^2042342340 is an apocalyptic number.

2042342340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042342340 is an abundant number, since it is smaller than the sum of its proper divisors (3705277692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2042342340 is a wasteful number, since it uses less digits than its factorization.

2042342340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172996 (or 172994 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 2042342340 is about 45192.2818631677. The cubic root of 2042342340 is about 1268.7503652437.

Adding to 2042342340 its reverse (432432402), we get a palindrome (2474774742).

The spelling of 2042342340 in words is "two billion, forty-two million, three hundred forty-two thousand, three hundred forty".