4040543340 has 144 divisors (see below), whose sum is σ = 13033500480. Its totient is φ = 1009704960.

The previous prime is 4040543303. The next prime is 4040543359. The reversal of 4040543340 is 433450404.

4040543340 is a `hidden beast` number, since 40 + 40 + 543 + 3 + 40 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 734721 + ... + 740199.

It is an arithmetic number, because the mean of its divisors is an integer number (90510420).

Almost surely, 2^4040543340 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 4040543340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6516750240).

4040543340 is an abundant number, since it is smaller than the sum of its proper divisors (8992957140).

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

4040543340 is a wasteful number, since it uses less digits than its factorization.

4040543340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752 (or 5747 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 4040543340 is about 63565.2683467945. The cubic root of 4040543340 is about 1592.7462448233.

Adding to 4040543340 its reverse (433450404), we get a palindrome (4473993744).

The spelling of 4040543340 in words is "four billion, forty million, five hundred forty-three thousand, three hundred forty".