320143113444224 has 128 divisors (see below), whose sum is σ = 774430942521600. Its totient is φ = 128768123879424.

The previous prime is 320143113444163. The next prime is 320143113444227. The reversal of 320143113444224 is 422444311341023.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×320143113444224² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320143113444227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86054129 + ... + 89697264.

It is an arithmetic number, because the mean of its divisors is an integer number (6050241738450).

Almost surely, 2^{320143113444224} is an apocalyptic number.

It is an amenable number.

320143113444224 is an abundant number, since it is smaller than the sum of its proper divisors (454287829077376).

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

320143113444224 is a wasteful number, since it uses less digits than its factorization.

320143113444224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175751540 (or 175751528 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 320143113444224 its reverse (422444311341023), we get a palindrome (742587424785247).

The spelling of 320143113444224 in words is "three hundred twenty trillion, one hundred forty-three billion, one hundred thirteen million, four hundred forty-four thousand, two hundred twenty-four".