442679142 has 16 divisors (see below), whose sum is σ = 915888240. Its totient is φ = 142471392.

The previous prime is 442679093. The next prime is 442679143. The reversal of 442679142 is 241976244.

It is a self number, because there is not a number n which added to its sum of digits gives 442679142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442679143) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1271893 + ... + 1272240.

It is an arithmetic number, because the mean of its divisors is an integer number (57243015).

Almost surely, 2^442679142 is an apocalyptic number.

442679142 is an abundant number, since it is smaller than the sum of its proper divisors (473209098).

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

442679142 is a wasteful number, since it uses less digits than its factorization.

442679142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544167.

The product of its digits is 96768, while the sum is 39.

The square root of 442679142 is about 21039.9415873714. The cubic root of 442679142 is about 762.1311042597.

The spelling of 442679142 in words is "four hundred forty-two million, six hundred seventy-nine thousand, one hundred forty-two".