4543400442 has 96 divisors (see below), whose sum is σ = 10768896000. Its totient is φ = 1273944672.

The previous prime is 4543400437. The next prime is 4543400443. The reversal of 4543400442 is 2440043454.

It is not an unprimeable number, because it can be changed into a prime (4543400443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4621483 + ... + 4622465.

It is an arithmetic number, because the mean of its divisors is an integer number (112176000).

Almost surely, 2^4543400442 is an apocalyptic number.

4543400442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4543400442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5384448000).

4543400442 is an abundant number, since it is smaller than the sum of its proper divisors (6225495558).

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

4543400442 is a wasteful number, since it uses less digits than its factorization.

4543400442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 4543400442 is about 67404.7508859724. The cubic root of 4543400442 is about 1656.2542485483.

Adding to 4543400442 its reverse (2440043454), we get a palindrome (6983443896).

The spelling of 4543400442 in words is "four billion, five hundred forty-three million, four hundred thousand, four hundred forty-two".