2331405340 has 96 divisors (see below), whose sum is σ = 5512872960. Its totient is φ = 820934400.

The previous prime is 2331405331. The next prime is 2331405341. The reversal of 2331405340 is 435041332.

2331405340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331405341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 919875 + ... + 922405.

It is an arithmetic number, because the mean of its divisors is an integer number (57425760).

Almost surely, 2^2331405340 is an apocalyptic number.

2331405340 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 2331405340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2756436480).

2331405340 is an abundant number, since it is smaller than the sum of its proper divisors (3181467620).

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

2331405340 is a wasteful number, since it uses less digits than its factorization.

2331405340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683 (or 2681 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2331405340 is about 48284.6284028364. The cubic root of 2331405340 is about 1325.9869878841.

Adding to 2331405340 its reverse (435041332), we get a palindrome (2766446672).

The spelling of 2331405340 in words is "two billion, three hundred thirty-one million, four hundred five thousand, three hundred forty".