320014530021340 has 192 divisors, whose sum is σ = 839573395799040. Its totient is φ = 99540416194560.

The previous prime is 320014530021311. The next prime is 320014530021367. The reversal of 320014530021340 is 43120035410023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 320014530021299 and 320014530021308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6982163064 + ... + 6982208896.

It is an arithmetic number, because the mean of its divisors is an integer number (4372778103120).

Almost surely, 2^{320014530021340} 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 320014530021340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419786697899520).

320014530021340 is an abundant number, since it is smaller than the sum of its proper divisors (519558865777700).

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

320014530021340 is a wasteful number, since it uses less digits than its factorization.

320014530021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55052 (or 55050 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 320014530021340 its reverse (43120035410023), we get a palindrome (363134565431363).

The spelling of 320014530021340 in words is "three hundred twenty trillion, fourteen billion, five hundred thirty million, twenty-one thousand, three hundred forty".