2340321240 has 32 divisors (see below), whose sum is σ = 7020964080. Its totient is φ = 624085632.

The previous prime is 2340321229. The next prime is 2340321253. The reversal of 2340321240 is 421230432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9751219 + ... + 9751458.

Almost surely, 2^2340321240 is an apocalyptic number.

2340321240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340321240 is an abundant number, since it is smaller than the sum of its proper divisors (4680642840).

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

2340321240 is a wasteful number, since it uses less digits than its factorization.

2340321240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19502691 (or 19502687 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2340321240 is about 48376.8667856859. The cubic root of 2340321240 is about 1327.6751440244.

Adding to 2340321240 its reverse (421230432), we get a palindrome (2761551672).

The spelling of 2340321240 in words is "two billion, three hundred forty million, three hundred twenty-one thousand, two hundred forty".