442046308 has 36 divisors (see below), whose sum is σ = 896494032. Its totient is φ = 189105280.

The previous prime is 442046299. The next prime is 442046347. The reversal of 442046308 is 803640244.

It is a self number, because there is not a number n which added to its sum of digits gives 442046308.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4666 + ... + 30097.

It is an arithmetic number, because the mean of its divisors is an integer number (24902612).

Almost surely, 2^442046308 is an apocalyptic number.

It is an amenable number.

442046308 is an abundant number, since it is smaller than the sum of its proper divisors (454447724).

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

442046308 is a wasteful number, since it uses less digits than its factorization.

442046308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34812 (or 34793 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 442046308 is about 21024.8973362535. The cubic root of 442046308 is about 761.7677617255.

The spelling of 442046308 in words is "four hundred forty-two million, forty-six thousand, three hundred eight".