303040442 has 8 divisors (see below), whose sum is σ = 455271732. Its totient is φ = 151283200.

The previous prime is 303040417. The next prime is 303040457. The reversal of 303040442 is 244040303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 218418841 + 84621601 = 14779^2 + 9199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116909 + ... + 119472.

Almost surely, 2^303040442 is an apocalyptic number.

303040442 is a deficient number, since it is larger than the sum of its proper divisors (152231290).

303040442 is a wasteful number, since it uses less digits than its factorization.

303040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237024.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 303040442 is about 17408.0568128669. The cubic root of 303040442 is about 671.6868772811.

Adding to 303040442 its reverse (244040303), we get a palindrome (547080745).

The spelling of 303040442 in words is "three hundred three million, forty thousand, four hundred forty-two".