442304120 has 32 divisors (see below), whose sum is σ = 1012057200. Its totient is φ = 173922048.

The previous prime is 442304117. The next prime is 442304131. The reversal of 442304120 is 21403244.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 442304092 and 442304101.

It is a congruent number.

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, 91349 + ... + 96068.

Almost surely, 2^442304120 is an apocalyptic number.

442304120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442304120 is an abundant number, since it is smaller than the sum of its proper divisors (569753080).

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

442304120 is a wasteful number, since it uses less digits than its factorization.

442304120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187487 (or 187483 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 442304120 is about 21031.0275545443. The cubic root of 442304120 is about 761.9158266821.

Adding to 442304120 its reverse (21403244), we get a palindrome (463707364).

The spelling of 442304120 in words is "four hundred forty-two million, three hundred four thousand, one hundred twenty".