543432454320 has 320 divisors, whose sum is σ = 2052254361600. Its totient is φ = 116120961024.

The previous prime is 543432454319. The next prime is 543432454361. The reversal of 543432454320 is 23454234345.

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, 4191589 + ... + 4319291.

It is an arithmetic number, because the mean of its divisors is an integer number (6413294880).

Almost surely, 2^543432454320 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 543432454320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026127180800).

543432454320 is an abundant number, since it is smaller than the sum of its proper divisors (1508821907280).

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

543432454320 is a wasteful number, since it uses less digits than its factorization.

543432454320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127892 (or 127886 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 39.

Adding to 543432454320 its reverse (23454234345), we get a palindrome (566886688665).

The spelling of 543432454320 in words is "five hundred forty-three billion, four hundred thirty-two million, four hundred fifty-four thousand, three hundred twenty".