30440326 has 16 divisors (see below), whose sum is σ = 53867520. Its totient is φ = 12624840.

The previous prime is 30440297. The next prime is 30440341. The reversal of 30440326 is 62304403.

It is a super-2 number, since 2×30440326² = 1853226893972552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30440297 and 30440306.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34636 + ... + 35503.

It is an arithmetic number, because the mean of its divisors is an integer number (3366720).

Almost surely, 2^30440326 is an apocalyptic number.

30440326 is a deficient number, since it is larger than the sum of its proper divisors (23427194).

30440326 is a wasteful number, since it uses less digits than its factorization.

30440326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70179.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 30440326 is about 5517.2752333013. The cubic root of 30440326 is about 312.2360899341.

Adding to 30440326 its reverse (62304403), we get a palindrome (92744729).

The spelling of 30440326 in words is "thirty million, four hundred forty thousand, three hundred twenty-six".