30042044 has 6 divisors (see below), whose sum is σ = 52573584. Its totient is φ = 15021020.

The previous prime is 30042037. The next prime is 30042049. The reversal of 30042044 is 44024003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30042049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3755252 + ... + 3755259.

It is an arithmetic number, because the mean of its divisors is an integer number (8762264).

Almost surely, 2^30042044 is an apocalyptic number.

It is an amenable number.

30042044 is a deficient number, since it is larger than the sum of its proper divisors (22531540).

30042044 is a wasteful number, since it uses less digits than its factorization.

30042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7510515 (or 7510513 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30042044 is about 5481.0623057944. The cubic root of 30042044 is about 310.8683389304.

Adding to 30042044 its reverse (44024003), we get a palindrome (74066047).

The spelling of 30042044 in words is "thirty million, forty-two thousand, forty-four", and thus it is an eban number.