340313304320 has 144 divisors (see below), whose sum is σ = 890660147328. Its totient is φ = 123555717120.

The previous prime is 340313304299. The next prime is 340313304343. The reversal of 340313304320 is 23403313043.

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 340313304320.

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, 9091082 + ... + 9128438.

It is an arithmetic number, because the mean of its divisors is an integer number (6185139912).

Almost surely, 2^340313304320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340313304320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445330073664).

340313304320 is an abundant number, since it is smaller than the sum of its proper divisors (550346843008).

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

340313304320 is a wasteful number, since it uses less digits than its factorization.

340313304320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38036 (or 38022 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 340313304320 its reverse (23403313043), we get a palindrome (363716617363).

The spelling of 340313304320 in words is "three hundred forty billion, three hundred thirteen million, three hundred four thousand, three hundred twenty".