2343321420440 has 128 divisors (see below), whose sum is σ = 7079124971520. Its totient is φ = 674202355200.

The previous prime is 2343321420397. The next prime is 2343321420457. The reversal of 2343321420440 is 440241233432.

It is a junction number, because it is equal to n+sod(n) for n = 2343321420397 and 2343321420406.

It is a congruent number.

It is an unprimeable number.

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, 29222216 + ... + 29302295.

It is an arithmetic number, because the mean of its divisors is an integer number (55305663840).

Almost surely, 2^{2343321420440} is an apocalyptic number.

2343321420440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2343321420440 is an abundant number, since it is smaller than the sum of its proper divisors (4735803551080).

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

2343321420440 is a wasteful number, since it uses less digits than its factorization.

2343321420440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58524553 (or 58524549 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 2343321420440 its reverse (440241233432), we get a palindrome (2783562653872).

The spelling of 2343321420440 in words is "two trillion, three hundred forty-three billion, three hundred twenty-one million, four hundred twenty thousand, four hundred forty".