330140042 has 4 divisors (see below), whose sum is σ = 495210066. Its totient is φ = 165070020.

The previous prime is 330140003. The next prime is 330140081. The reversal of 330140042 is 240041033.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (330140003) and next prime (330140081).

It can be written as a sum of positive squares in only one way, i.e., 273604681 + 56535361 = 16541^2 + 7519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 330140042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82535009 + ... + 82535012.

Almost surely, 2^330140042 is an apocalyptic number.

330140042 is a deficient number, since it is larger than the sum of its proper divisors (165070024).

330140042 is a wasteful number, since it uses less digits than its factorization.

330140042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165070023.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 330140042 is about 18169.7562449252. The cubic root of 330140042 is about 691.1400616504.

Adding to 330140042 its reverse (240041033), we get a palindrome (570181075).

Subtracting from 330140042 its reverse (240041033), we obtain a palindrome (90099009).

The spelling of 330140042 in words is "three hundred thirty million, one hundred forty thousand, forty-two".