442044420 has 24 divisors (see below), whose sum is σ = 1237724544. Its totient is φ = 117878496.

The previous prime is 442044413. The next prime is 442044431. The reversal of 442044420 is 24440244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3683644 + ... + 3683763.

It is an arithmetic number, because the mean of its divisors is an integer number (51571856).

Almost surely, 2^442044420 is an apocalyptic number.

It is an amenable number.

442044420 is an abundant number, since it is smaller than the sum of its proper divisors (795680124).

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

442044420 is a wasteful number, since it uses less digits than its factorization.

442044420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367419 (or 7367417 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 442044420 is about 21024.8524370565. The cubic root of 442044420 is about 761.7666772090.

Adding to 442044420 its reverse (24440244), we get a palindrome (466484664).

The spelling of 442044420 in words is "four hundred forty-two million, forty-four thousand, four hundred twenty".