543402432 has 196 divisors, whose sum is σ = 1704599080. Its totient is φ = 171320832.

The previous prime is 543402421. The next prime is 543402487. The reversal of 543402432 is 234204345.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 543402396 and 543402405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 886158 + ... + 886770.

Almost surely, 2^543402432 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 543402432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852299540).

543402432 is an abundant number, since it is smaller than the sum of its proper divisors (1161196648).

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

543402432 is an equidigital number, since it uses as much as digits as its factorization.

543402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 543402432 is about 23310.9938012089. The cubic root of 543402432 is about 816.0320056651.

Adding to 543402432 its reverse (234204345), we get a palindrome (777606777).

The spelling of 543402432 in words is "five hundred forty-three million, four hundred two thousand, four hundred thirty-two".