442710044 has 24 divisors (see below), whose sum is σ = 893262048. Its totient is φ = 188052480.

The previous prime is 442709963. The next prime is 442710091. The reversal of 442710044 is 440017244.

It is a junction number, because it is equal to n+sod(n) for n = 442709995 and 442710022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66797 + ... + 73124.

It is an arithmetic number, because the mean of its divisors is an integer number (37219252).

Almost surely, 2^442710044 is an apocalyptic number.

It is an amenable number.

442710044 is an abundant number, since it is smaller than the sum of its proper divisors (450552004).

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

442710044 is a wasteful number, since it uses less digits than its factorization.

442710044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140045 (or 140043 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 442710044 is about 21040.6759397126. The cubic root of 442710044 is about 762.1488378167.

Adding to 442710044 its reverse (440017244), we get a palindrome (882727288).

The spelling of 442710044 in words is "four hundred forty-two million, seven hundred ten thousand, forty-four".