330609042 has 24 divisors (see below), whose sum is σ = 717108444. Its totient is φ = 110081664.

The previous prime is 330609029. The next prime is 330609049. The reversal of 330609042 is 240906033.

It can be written as a sum of positive squares in 2 ways, for example, as 330185241 + 423801 = 18171^2 + 651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 330608997 and 330609015.

It is not an unprimeable number, because it can be changed into a prime (330609049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7518 + ... + 26790.

Almost surely, 2^330609042 is an apocalyptic number.

330609042 is an abundant number, since it is smaller than the sum of its proper divisors (386499402).

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

330609042 is a wasteful number, since it uses less digits than its factorization.

330609042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20234 (or 20231 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 330609042 is about 18182.6577265261. The cubic root of 330609042 is about 691.4671867836.

The spelling of 330609042 in words is "three hundred thirty million, six hundred nine thousand, forty-two".