4043734128 has 240 divisors, whose sum is σ = 13695552000. Its totient is φ = 1088017920.

The previous prime is 4043734117. The next prime is 4043734129. The reversal of 4043734128 is 8214373404.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4043734092 and 4043734101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043734129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3810718 + ... + 3811778.

It is an arithmetic number, because the mean of its divisors is an integer number (57064800).

Almost surely, 2^4043734128 is an apocalyptic number.

4043734128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4043734128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6847776000).

4043734128 is an abundant number, since it is smaller than the sum of its proper divisors (9651817872).

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

4043734128 is a wasteful number, since it uses less digits than its factorization.

4043734128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 4043734128 is about 63590.3619112205. The cubic root of 4043734128 is about 1593.1653945922.

The spelling of 4043734128 in words is "four billion, forty-three million, seven hundred thirty-four thousand, one hundred twenty-eight".