543342400 has 42 divisors (see below), whose sum is σ = 1336965830. Its totient is φ = 217336320.

The previous prime is 543342383. The next prime is 543342403. The reversal of 543342400 is 4243345.

It can be written as a sum of positive squares in 3 ways, for example, as 4359744 + 538982656 = 2088^2 + 23216^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543342403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168195 + ... + 171394.

Almost surely, 2^543342400 is an apocalyptic number.

543342400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

543342400 is an abundant number, since it is smaller than the sum of its proper divisors (793623430).

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

543342400 is a wasteful number, since it uses less digits than its factorization.

543342400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339611 (or 339596 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 543342400 is about 23309.7061328538. The cubic root of 543342400 is about 816.0019543718.

Adding to 543342400 its reverse (4243345), we get a palindrome (547585745).

The spelling of 543342400 in words is "five hundred forty-three million, three hundred forty-two thousand, four hundred".