4320143340440 has 32 divisors (see below), whose sum is σ = 9816563342160. Its totient is φ = 1710947856000.

The previous prime is 4320143340419. The next prime is 4320143340523. The reversal of 4320143340440 is 440433410234.

It is a junction number, because it is equal to n+sod(n) for n = 4320143340397 and 4320143340406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534667166 + ... + 534675245.

Almost surely, 2^{4320143340440} is an apocalyptic number.

4320143340440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4320143340440 is an abundant number, since it is smaller than the sum of its proper divisors (5496420001720).

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

4320143340440 is a wasteful number, since it uses less digits than its factorization.

4320143340440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069342523 (or 1069342519 counting only the distinct ones).

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

Adding to 4320143340440 its reverse (440433410234), we get a palindrome (4760576750674).

The spelling of 4320143340440 in words is "four trillion, three hundred twenty billion, one hundred forty-three million, three hundred forty thousand, four hundred forty".