443729042 has 4 divisors (see below), whose sum is σ = 665593566. Its totient is φ = 221864520.

The previous prime is 443729023. The next prime is 443729051. The reversal of 443729042 is 240927344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 270306481 + 173422561 = 16441^2 + 13169^2 .

It is a junction number, because it is equal to n+sod(n) for n = 443728993 and 443729011.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 110932259 + ... + 110932262.

Almost surely, 2^443729042 is an apocalyptic number.

443729042 is a deficient number, since it is larger than the sum of its proper divisors (221864524).

443729042 is a wasteful number, since it uses less digits than its factorization.

443729042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221864523.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 443729042 is about 21064.8769756673. The cubic root of 443729042 is about 762.7331427890.

The spelling of 443729042 in words is "four hundred forty-three million, seven hundred twenty-nine thousand, forty-two".