442043101 has 4 divisors (see below), whose sum is σ = 444138304. Its totient is φ = 439947900.

The previous prime is 442043093. The next prime is 442043111. The reversal of 442043101 is 101340244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442043101 - 2³ = 442043093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442043111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047285 + ... + 1047706.

It is an arithmetic number, because the mean of its divisors is an integer number (111034576).

Almost surely, 2^442043101 is an apocalyptic number.

It is an amenable number.

442043101 is a deficient number, since it is larger than the sum of its proper divisors (2095203).

442043101 is a wasteful number, since it uses less digits than its factorization.

442043101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095202.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 442043101 is about 21024.8210693932. The cubic root of 442043101 is about 761.7659195391.

Adding to 442043101 its reverse (101340244), we get a palindrome (543383345).

The spelling of 442043101 in words is "four hundred forty-two million, forty-three thousand, one hundred one".