2343402040 has 128 divisors (see below), whose sum is σ = 6133708800. Its totient is φ = 789212160.

The previous prime is 2343402037. The next prime is 2343402041. The reversal of 2343402040 is 402043432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2343402041) 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 31 ways as a sum of consecutive naturals, for example, 6753147 + ... + 6753493.

It is an arithmetic number, because the mean of its divisors is an integer number (47919600).

Almost surely, 2^2343402040 is an apocalyptic number.

2343402040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2343402040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3066854400).

2343402040 is an abundant number, since it is smaller than the sum of its proper divisors (3790306760).

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

2343402040 is a wasteful number, since it uses less digits than its factorization.

2343402040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2343402040 is about 48408.6979787724. The cubic root of 2343402040 is about 1328.2574726381.

Adding to 2343402040 its reverse (402043432), we get a palindrome (2745445472).

The spelling of 2343402040 in words is "two billion, three hundred forty-three million, four hundred two thousand, forty".