It is a happy number.
It is a zygodrome in base 4.
It is a congruent number.
Almost surely, 210506240 is an apocalyptic number.
10506240 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 10506240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19658400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10506240 is an equidigital number, since it uses as much as digits as its factorization.
10506240 is an evil number, because the sum of its binary digits is even.
The square root of 10506240 is about 3241.3330590978. Note that the first 3 decimals coincide. The cubic root of 10506240 is about 219.0193264986.
Adding to 10506240 its reverse (4260501), we get a palindrome (14766741).
The spelling of 10506240 in words is "ten million, five hundred six thousand, two hundred forty".