340243424020 has 48 divisors (see below), whose sum is σ = 767832972480. Its totient is φ = 126179817984.

The previous prime is 340243424011. The next prime is 340243424039. The reversal of 340243424020 is 20424342043.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 340243424020.

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 15 ways as a sum of consecutive naturals, for example, 7445250 + ... + 7490809.

It is an arithmetic number, because the mean of its divisors is an integer number (15996520260).

Almost surely, 2^340243424020 is an apocalyptic number.

It is an amenable number.

340243424020 is an abundant number, since it is smaller than the sum of its proper divisors (427589548460).

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

340243424020 is a wasteful number, since it uses less digits than its factorization.

340243424020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14936152 (or 14936150 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 340243424020 its reverse (20424342043), we get a palindrome (360667766063).

The spelling of 340243424020 in words is "three hundred forty billion, two hundred forty-three million, four hundred twenty-four thousand, twenty".