442041420 has 24 divisors (see below), whose sum is σ = 1237716144. Its totient is φ = 117877696.

The previous prime is 442041401. The next prime is 442041433. The reversal of 442041420 is 24140244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3683619 + ... + 3683738.

It is an arithmetic number, because the mean of its divisors is an integer number (51571506).

Almost surely, 2^442041420 is an apocalyptic number.

It is an amenable number.

442041420 is an abundant number, since it is smaller than the sum of its proper divisors (795674724).

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

442041420 is a wasteful number, since it uses less digits than its factorization.

442041420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367369 (or 7367367 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 442041420 is about 21024.7810927962. The cubic root of 442041420 is about 761.7649539242.

Adding to 442041420 its reverse (24140244), we get a palindrome (466181664).

The spelling of 442041420 in words is "four hundred forty-two million, forty-one thousand, four hundred twenty".