4543400000 has 84 divisors (see below), whose sum is σ = 11269536516. Its totient is φ = 1817280000.

The previous prime is 4543399999. The next prime is 4543400039. The reversal of 4543400000 is 43454.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4015503424 + 527896576 = 63368^2 + 22976^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188642 + ... + 211358.

It is an arithmetic number, because the mean of its divisors is an integer number (134161149).

Almost surely, 2^4543400000 is an apocalyptic number.

4543400000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4543400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5634768258).

4543400000 is an abundant number, since it is smaller than the sum of its proper divisors (6726136516).

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

4543400000 is an frugal number, since it uses more digits than its factorization.

4543400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22754 (or 22724 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4543400000 is about 67404.7476072717. The cubic root of 4543400000 is about 1656.2541948393.

Adding to 4543400000 its reverse (43454), we get a palindrome (4543443454).

The spelling of 4543400000 in words is "four billion, five hundred forty-three million, four hundred thousand".