30444242 has 8 divisors (see below), whose sum is σ = 45690096. Its totient is φ = 15214212.

The previous prime is 30444233. The next prime is 30444247. The reversal of 30444242 is 24244403.

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

It is not an unprimeable number, because it can be changed into a prime (30444247) by changing a digit.

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, 4313 + ... + 8915.

It is an arithmetic number, because the mean of its divisors is an integer number (5711262).

Almost surely, 2^30444242 is an apocalyptic number.

30444242 is a deficient number, since it is larger than the sum of its proper divisors (15245854).

30444242 is a wasteful number, since it uses less digits than its factorization.

30444242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 30444242 is about 5517.6301072109. The cubic root of 30444242 is about 312.2494785785.

Adding to 30444242 its reverse (24244403), we get a palindrome (54688645).

The spelling of 30444242 in words is "thirty million, four hundred forty-four thousand, two hundred forty-two".