30424400 has 60 divisors (see below), whose sum is σ = 76295712. Its totient is φ = 11637120.

The previous prime is 30424399. The next prime is 30424403. The reversal of 30424400 is 442403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30424403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7547 + ... + 10853.

Almost surely, 2^30424400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30424400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38147856).

30424400 is an abundant number, since it is smaller than the sum of its proper divisors (45871312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30424400 is a wasteful number, since it uses less digits than its factorization.

30424400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348 (or 3337 counting only the distinct ones).

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

The square root of 30424400 is about 5515.8317595808. The cubic root of 30424400 is about 312.1816277553.

Adding to 30424400 its reverse (442403), we get a palindrome (30866803).

The spelling of 30424400 in words is "thirty million, four hundred twenty-four thousand, four hundred".