2343404240 has 20 divisors (see below), whose sum is σ = 5448415044. Its totient is φ = 937361664.

The previous prime is 2343404237. The next prime is 2343404269. The reversal of 2343404240 is 424043432.

It can be written as a sum of positive squares in 2 ways, for example, as 1856231056 + 487173184 = 43084^2 + 22072^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14646197 + ... + 14646356.

Almost surely, 2^2343404240 is an apocalyptic number.

2343404240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2343404240 is an abundant number, since it is smaller than the sum of its proper divisors (3105010804).

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

2343404240 is a wasteful number, since it uses less digits than its factorization.

2343404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29292566 (or 29292560 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2343404240 is about 48408.7207019562. The cubic root of 2343404240 is about 1328.2578882967.

Adding to 2343404240 its reverse (424043432), we get a palindrome (2767447672).

The spelling of 2343404240 in words is "two billion, three hundred forty-three million, four hundred four thousand, two hundred forty".