30040430 has 48 divisors (see below), whose sum is σ = 63628416. Its totient is φ = 10180800.

The previous prime is 30040429. The next prime is 30040441. The reversal of 30040430 is 3404003.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 49187 + ... + 49793.

It is an arithmetic number, because the mean of its divisors is an integer number (1325592).

Almost surely, 2^30040430 is an apocalyptic number.

30040430 is an abundant number, since it is smaller than the sum of its proper divisors (33587986).

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

30040430 is a wasteful number, since it uses less digits than its factorization.

30040430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 30040430 is about 5480.9150695846. The cubic root of 30040430 is about 310.8627717273.

Adding to 30040430 its reverse (3404003), we get a palindrome (33444433).

The spelling of 30040430 in words is "thirty million, forty thousand, four hundred thirty".