442119161 has 4 divisors (see below), whose sum is σ = 482311824. Its totient is φ = 401926500.

The previous prime is 442119149. The next prime is 442119211. The reversal of 442119161 is 161911244.

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 442119161 - 2¹⁴ = 442102777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442119121) 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 3 ways as a sum of consecutive naturals, for example, 20096315 + ... + 20096336.

It is an arithmetic number, because the mean of its divisors is an integer number (120577956).

Almost surely, 2^442119161 is an apocalyptic number.

It is an amenable number.

442119161 is a deficient number, since it is larger than the sum of its proper divisors (40192663).

442119161 is a wasteful number, since it uses less digits than its factorization.

442119161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40192662.

The product of its digits is 1728, while the sum is 29.

The square root of 442119161 is about 21026.6298060341. The cubic root of 442119161 is about 761.8096080338.

The spelling of 442119161 in words is "four hundred forty-two million, one hundred nineteen thousand, one hundred sixty-one".