30440012 has 6 divisors (see below), whose sum is σ = 53270028. Its totient is φ = 15220004.

The previous prime is 30440009. The next prime is 30440021. The reversal of 30440012 is 21004403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3804998 + ... + 3805005.

It is an arithmetic number, because the mean of its divisors is an integer number (8878338).

Almost surely, 2^30440012 is an apocalyptic number.

It is an amenable number.

30440012 is a deficient number, since it is larger than the sum of its proper divisors (22830016).

30440012 is a wasteful number, since it uses less digits than its factorization.

30440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610007 (or 7610005 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 30440012 is about 5517.2467771525. The cubic root of 30440012 is about 312.2350163312.

Adding to 30440012 its reverse (21004403), we get a palindrome (51444415).

The spelling of 30440012 in words is "thirty million, four hundred forty thousand, twelve".