4043838780 has 144 divisors (see below), whose sum is σ = 13261291680. Its totient is φ = 993959424.

The previous prime is 4043838769. The next prime is 4043838787. The reversal of 4043838780 is 878383404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043838787) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 110562 + ... + 142518.

Almost surely, 2^4043838780 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 4043838780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6630645840).

4043838780 is an abundant number, since it is smaller than the sum of its proper divisors (9217452900).

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

4043838780 is a wasteful number, since it uses less digits than its factorization.

4043838780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32028 (or 32023 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 4043838780 is about 63591.1847664438. The cubic root of 4043838780 is about 1593.1791382015.

The spelling of 4043838780 in words is "four billion, forty-three million, eight hundred thirty-eight thousand, seven hundred eighty".