2340021426 has 32 divisors (see below), whose sum is σ = 5051928960. Its totient is φ = 720365184.

The previous prime is 2340021401. The next prime is 2340021433. The reversal of 2340021426 is 6241200432.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2340021396 and 2340021405.

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 15 ways as a sum of consecutive naturals, for example, 288355 + ... + 296358.

It is an arithmetic number, because the mean of its divisors is an integer number (157872780).

Almost surely, 2^2340021426 is an apocalyptic number.

2340021426 is an abundant number, since it is smaller than the sum of its proper divisors (2711907534).

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

2340021426 is a wasteful number, since it uses less digits than its factorization.

2340021426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584770.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2340021426 is about 48373.7679533030. The cubic root of 2340021426 is about 1327.6184463101.

Adding to 2340021426 its reverse (6241200432), we get a palindrome (8581221858).

The spelling of 2340021426 in words is "two billion, three hundred forty million, twenty-one thousand, four hundred twenty-six".