4543322140 has 72 divisors (see below), whose sum is σ = 11286943920. Its totient is φ = 1531289088.

The previous prime is 4543322137. The next prime is 4543322141. The reversal of 4543322140 is 412233454.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 4543322099 and 4543322108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543322141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18532 + ... + 97108.

It is an arithmetic number, because the mean of its divisors is an integer number (156763110).

Almost surely, 2^4543322140 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 4543322140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5643471960).

4543322140 is an abundant number, since it is smaller than the sum of its proper divisors (6743621780).

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

4543322140 is a wasteful number, since it uses less digits than its factorization.

4543322140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78659 (or 78650 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4543322140 is about 67404.1700490407. The cubic root of 4543322140 is about 1656.2447337390.

Adding to 4543322140 its reverse (412233454), we get a palindrome (4955555594).

The spelling of 4543322140 in words is "four billion, five hundred forty-three million, three hundred twenty-two thousand, one hundred forty".