442142044 has 12 divisors (see below), whose sum is σ = 781410168. Its totient is φ = 218882000.

The previous prime is 442141957. The next prime is 442142053. The reversal of 442142044 is 440241244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546802 + ... + 547609.

It is an arithmetic number, because the mean of its divisors is an integer number (65117514).

Almost surely, 2^442142044 is an apocalyptic number.

It is an amenable number.

442142044 is a deficient number, since it is larger than the sum of its proper divisors (339268124).

442142044 is a wasteful number, since it uses less digits than its factorization.

442142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094516 (or 1094514 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 442142044 is about 21027.1739423062. The cubic root of 442142044 is about 761.8227509373.

Adding to 442142044 its reverse (440241244), we get a palindrome (882383288).

The spelling of 442142044 in words is "four hundred forty-two million, one hundred forty-two thousand, forty-four".