Adding to 30040000 its reverse (4003), we get a palindrome (30044003).
It is a congruent number.
Almost surely, 230040000 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 30040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37294312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30040000 is an frugal number, since it uses more digits than its factorization.
30040000 is an odious number, because the sum of its binary digits is odd.
The square root of 30040000 is about 5480.8758424179. The cubic root of 30040000 is about 310.8612884859.
The spelling of 30040000 in words is "thirty million, forty thousand", and thus it is an eban number.