2340432440440 has 64 divisors (see below), whose sum is σ = 5543330112000. Its totient is φ = 886868611200.

The previous prime is 2340432440399. The next prime is 2340432440461. The reversal of 2340432440440 is 440442340432.

It is a junction number, because it is equal to n+sod(n) for n = 2340432440396 and 2340432440405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38388301 + ... + 38449219.

It is an arithmetic number, because the mean of its divisors is an integer number (86614533000).

Almost surely, 2^{2340432440440} is an apocalyptic number.

2340432440440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340432440440 is an abundant number, since it is smaller than the sum of its proper divisors (3202897671560).

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

2340432440440 is a wasteful number, since it uses less digits than its factorization.

2340432440440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111500 (or 111496 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 2340432440440 its reverse (440442340432), we get a palindrome (2780874780872).

It can be divided in two parts, 2340432 and 440440, that added together give a palindrome (2780872).

The spelling of 2340432440440 in words is "two trillion, three hundred forty billion, four hundred thirty-two million, four hundred forty thousand, four hundred forty".