30404144 has 20 divisors (see below), whose sum is σ = 59222400. Its totient is φ = 15120960.

The previous prime is 30404111. The next prime is 30404167. The reversal of 30404144 is 44140403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919 + ... + 8030.

It is an arithmetic number, because the mean of its divisors is an integer number (2961120).

Almost surely, 2^30404144 is an apocalyptic number.

It is an amenable number.

30404144 is a deficient number, since it is larger than the sum of its proper divisors (28818256).

30404144 is a wasteful number, since it uses less digits than its factorization.

30404144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148 (or 10142 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 30404144 is about 5513.9952847278. The cubic root of 30404144 is about 312.1123307992.

Adding to 30404144 its reverse (44140403), we get a palindrome (74544547).

The spelling of 30404144 in words is "thirty million, four hundred four thousand, one hundred forty-four".