442475620 has 48 divisors (see below), whose sum is σ = 968970240. Its totient is φ = 169513344.

The previous prime is 442475611. The next prime is 442475669. The reversal of 442475620 is 26574244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70657 + ... + 76663.

It is an arithmetic number, because the mean of its divisors is an integer number (20186880).

Almost surely, 2^442475620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442475620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484485120).

442475620 is an abundant number, since it is smaller than the sum of its proper divisors (526494620).

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

442475620 is a wasteful number, since it uses less digits than its factorization.

442475620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172 (or 6170 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 442475620 is about 21035.1044684832. The cubic root of 442475620 is about 762.0142896125.

The spelling of 442475620 in words is "four hundred forty-two million, four hundred seventy-five thousand, six hundred twenty".