4043433031340 has 72 divisors (see below), whose sum is σ = 8846455004352. Its totient is φ = 1552102663680.

The previous prime is 4043433031301. The next prime is 4043433031349. The reversal of 4043433031340 is 431303343404.

It is a junction number, because it is equal to n+sod(n) for n = 4043433031297 and 4043433031306.

It is not an unprimeable number, because it can be changed into a prime (4043433031349) 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, 987245 + ... + 3010235.

It is an arithmetic number, because the mean of its divisors is an integer number (122867430616).

Almost surely, 2^{4043433031340} 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 4043433031340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4423227502176).

4043433031340 is an abundant number, since it is smaller than the sum of its proper divisors (4803021973012).

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

4043433031340 is a wasteful number, since it uses less digits than its factorization.

4043433031340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023147 (or 2023108 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 4043433031340 its reverse (431303343404), we get a palindrome (4474736374744).

The spelling of 4043433031340 in words is "four trillion, forty-three billion, four hundred thirty-three million, thirty-one thousand, three hundred forty".