443421042 has 16 divisors (see below), whose sum is σ = 887645280. Its totient is φ = 147673152.

The previous prime is 443421037. The next prime is 443421067. The reversal of 443421042 is 240124344.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26167 + ... + 39642.

It is an arithmetic number, because the mean of its divisors is an integer number (55477830).

Almost surely, 2^443421042 is an apocalyptic number.

443421042 is an abundant number, since it is smaller than the sum of its proper divisors (444224238).

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

443421042 is a wasteful number, since it uses less digits than its factorization.

443421042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66937.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 443421042 is about 21057.5649589405. The cubic root of 443421042 is about 762.5566265211.

Adding to 443421042 its reverse (240124344), we get a palindrome (683545386).

The spelling of 443421042 in words is "four hundred forty-three million, four hundred twenty-one thousand, forty-two".