2340202440 has 32 divisors (see below), whose sum is σ = 7020607680. Its totient is φ = 624053952.

The previous prime is 2340202409. The next prime is 2340202441. The reversal of 2340202440 is 442020432.

It is not an unprimeable number, because it can be changed into a prime (2340202441) 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 7 ways as a sum of consecutive naturals, for example, 9750724 + ... + 9750963.

It is an arithmetic number, because the mean of its divisors is an integer number (219393990).

Almost surely, 2^2340202440 is an apocalyptic number.

2340202440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340202440 is an abundant number, since it is smaller than the sum of its proper divisors (4680405240).

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

2340202440 is a wasteful number, since it uses less digits than its factorization.

2340202440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19501701 (or 19501697 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2340202440 is about 48375.6389105095. The cubic root of 2340202440 is about 1327.6526783797.

Adding to 2340202440 its reverse (442020432), we get a palindrome (2782222872).

The spelling of 2340202440 in words is "two billion, three hundred forty million, two hundred two thousand, four hundred forty".