Adding to 15040000 its reverse (4051), we get a palindrome (15044051).
It is a tau number, because it is divible by the number of its divisors (100).
It is a congruent number.
Almost surely, 215040000 is an apocalyptic number.
15040000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19175112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15040000 is an frugal number, since it uses more digits than its factorization.
15040000 is an odious number, because the sum of its binary digits is odd.
The square root of 15040000 is about 3878.1438859331. The cubic root of 15040000 is about 246.8402317111.
The spelling of 15040000 in words is "fifteen million, forty thousand".