43340323420 has 24 divisors (see below), whose sum is σ = 91029579984. Its totient is φ = 17333291136.

The previous prime is 43340323391. The next prime is 43340323421. The reversal of 43340323420 is 2432304334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43340323421) 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 7 ways as a sum of consecutive naturals, for example, 49942 + ... + 298621.

It is an arithmetic number, because the mean of its divisors is an integer number (3792899166).

Almost surely, 2^43340323420 is an apocalyptic number.

It is an amenable number.

43340323420 is an abundant number, since it is smaller than the sum of its proper divisors (47689256564).

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

43340323420 is a wasteful number, since it uses less digits than its factorization.

43340323420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354789 (or 354787 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 43340323420 its reverse (2432304334), we get a palindrome (45772627754).

The spelling of 43340323420 in words is "forty-three billion, three hundred forty million, three hundred twenty-three thousand, four hundred twenty".