4043556342 has 128 divisors (see below), whose sum is σ = 10724736000. Its totient is φ = 1128212064.

The previous prime is 4043556277. The next prime is 4043556343. The reversal of 4043556342 is 2436553404.

It is a junction number, because it is equal to n+sod(n) for n = 4043556297 and 4043556306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043556343) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 793908 + ... + 798984.

It is an arithmetic number, because the mean of its divisors is an integer number (83787000).

Almost surely, 2^4043556342 is an apocalyptic number.

4043556342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4043556342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362368000).

4043556342 is an abundant number, since it is smaller than the sum of its proper divisors (6681179658).

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

4043556342 is a wasteful number, since it uses less digits than its factorization.

4043556342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152 (or 5132 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The square root of 4043556342 is about 63588.9639953349. The cubic root of 4043556342 is about 1593.1420459870.

The spelling of 4043556342 in words is "four billion, forty-three million, five hundred fifty-six thousand, three hundred forty-two".