442284260 has 48 divisors (see below), whose sum is σ = 1022257152. Its totient is φ = 159398400.

The previous prime is 442284259. The next prime is 442284277. The reversal of 442284260 is 62482244.

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, 15965 + ... + 33755.

It is an arithmetic number, because the mean of its divisors is an integer number (21297024).

Almost surely, 2^442284260 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 442284260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511128576).

442284260 is an abundant number, since it is smaller than the sum of its proper divisors (579972892).

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

442284260 is a wasteful number, since it uses less digits than its factorization.

442284260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17924 (or 17922 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 442284260 is about 21030.5553897181. Note that the first 3 decimals coincide. The cubic root of 442284260 is about 761.9044228582.

The spelling of 442284260 in words is "four hundred forty-two million, two hundred eighty-four thousand, two hundred sixty".