442189054 has 4 divisors (see below), whose sum is σ = 663283584. Its totient is φ = 221094526.

The previous prime is 442189037. The next prime is 442189063. The reversal of 442189054 is 450981244.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 110547262 + ... + 110547265.

It is an arithmetic number, because the mean of its divisors is an integer number (165820896).

Almost surely, 2^442189054 is an apocalyptic number.

442189054 is a deficient number, since it is larger than the sum of its proper divisors (221094530).

442189054 is a wasteful number, since it uses less digits than its factorization.

442189054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221094529.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 442189054 is about 21028.2917518281. The cubic root of 442189054 is about 761.8497498161.

The spelling of 442189054 in words is "four hundred forty-two million, one hundred eighty-nine thousand, fifty-four".