8343809940 has 48 divisors (see below), whose sum is σ = 23367798720. Its totient is φ = 2224527360.

The previous prime is 8343809927. The next prime is 8343809963. The reversal of 8343809940 is 499083438.

It is a self number, because there is not a number n which added to its sum of digits gives 8343809940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321655 + ... + 346625.

It is an arithmetic number, because the mean of its divisors is an integer number (486829140).

Almost surely, 2^8343809940 is an apocalyptic number.

It is an amenable number.

8343809940 is an abundant number, since it is smaller than the sum of its proper divisors (15023988780).

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

8343809940 is a wasteful number, since it uses less digits than its factorization.

8343809940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30552 (or 30550 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 8343809940 is about 91344.4576315389. The cubic root of 8343809940 is about 2028.2499205709.

The spelling of 8343809940 in words is "eight billion, three hundred forty-three million, eight hundred nine thousand, nine hundred forty".