340443043320 has 128 divisors (see below), whose sum is σ = 1026514944000. Its totient is φ = 90324541440.

The previous prime is 340443043249. The next prime is 340443043333. The reversal of 340443043320 is 23340344043.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36677080 + ... + 36686360.

It is an arithmetic number, because the mean of its divisors is an integer number (8019648000).

Almost surely, 2^340443043320 is an apocalyptic number.

340443043320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340443043320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513257472000).

340443043320 is an abundant number, since it is smaller than the sum of its proper divisors (686071900680).

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

340443043320 is a wasteful number, since it uses less digits than its factorization.

340443043320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10813 (or 10809 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 340443043320 its reverse (23340344043), we get a palindrome (363783387363).

The spelling of 340443043320 in words is "three hundred forty billion, four hundred forty-three million, forty-three thousand, three hundred twenty".