30444042 has 64 divisors (see below), whose sum is σ = 70917120. Its totient is φ = 8642304.

The previous prime is 30444031. The next prime is 30444047. The reversal of 30444042 is 24044403.

It is not an unprimeable number, because it can be changed into a prime (30444047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44233 + ... + 44915.

It is an arithmetic number, because the mean of its divisors is an integer number (1108080).

Almost surely, 2^30444042 is an apocalyptic number.

30444042 is an abundant number, since it is smaller than the sum of its proper divisors (40473078).

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

30444042 is a wasteful number, since it uses less digits than its factorization.

30444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 30444042 is about 5517.6119834581. The cubic root of 30444042 is about 312.2487948145.

Adding to 30444042 its reverse (24044403), we get a palindrome (54488445).

The spelling of 30444042 in words is "thirty million, four hundred forty-four thousand, forty-two".