543468690 has 80 divisors (see below), whose sum is σ = 1476605592. Its totient is φ = 143410176.

The previous prime is 543468689. The next prime is 543468697. The reversal of 543468690 is 96864345.

543468690 is a `hidden beast` number, since 543 + 46 + 8 + 69 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 455352921 + 88115769 = 21339^2 + 9387^2 .

It is a super-2 number, since 2×543468690² = 590716434020632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (543468697) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 75112 + ... + 82028.

Almost surely, 2^543468690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543468690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738302796).

543468690 is an abundant number, since it is smaller than the sum of its proper divisors (933136902).

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

543468690 is a wasteful number, since it uses less digits than its factorization.

543468690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033 (or 7024 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 543468690 is about 23312.4149328207. The cubic root of 543468690 is about 816.0651710492.

It can be divided in two parts, 54346 and 8690, that added together give a palindrome (63036).

The spelling of 543468690 in words is "five hundred forty-three million, four hundred sixty-eight thousand, six hundred ninety".