30440330 has 8 divisors (see below), whose sum is σ = 54792612. Its totient is φ = 12176128.

The previous prime is 30440297. The next prime is 30440341. The reversal of 30440330 is 3304403.

It can be written as a sum of positive squares in 2 ways, for example, as 29474041 + 966289 = 5429^2 + 983^2 .

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

It is a super-2 number, since 2×30440330² = 1853227381017800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30440299 and 30440308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522007 + ... + 1522026.

Almost surely, 2^30440330 is an apocalyptic number.

30440330 is a deficient number, since it is larger than the sum of its proper divisors (24352282).

30440330 is a wasteful number, since it uses less digits than its factorization.

30440330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044040.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 30440330 is about 5517.2755957991. The cubic root of 30440330 is about 312.2361036106.

Adding to 30440330 its reverse (3304403), we get a palindrome (33744733).

The spelling of 30440330 in words is "thirty million, four hundred forty thousand, three hundred thirty".