443541042 has 48 divisors (see below), whose sum is σ = 1146575520. Its totient is φ = 126725256.

The previous prime is 443541041. The next prime is 443541053. The reversal of 443541042 is 240145344.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 443540997 and 443541015.

It is not an unprimeable number, because it can be changed into a prime (443541041) 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 23 ways as a sum of consecutive naturals, for example, 81168 + ... + 86459.

It is an arithmetic number, because the mean of its divisors is an integer number (23886990).

Almost surely, 2^443541042 is an apocalyptic number.

443541042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

443541042 is an abundant number, since it is smaller than the sum of its proper divisors (703034478).

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

443541042 is a wasteful number, since it uses less digits than its factorization.

443541042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167652 (or 167639 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 443541042 is about 21060.4140984929. The cubic root of 443541042 is about 762.6254088093.

Adding to 443541042 its reverse (240145344), we get a palindrome (683686386).

The spelling of 443541042 in words is "four hundred forty-three million, five hundred forty-one thousand, forty-two".