Multipling 4050000 by its product of nonzero digits (20), we get a square (81000000 = 90002).
4050000 divided by its product of nonzero digits (20) gives a square (202500 = 4502).
Adding to 4050000 its reverse (504), we get a palindrome (4050504).
4050000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (150).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 15.
It is a zygodrome in base 15.
It is a congruent number.
It is an unprimeable number.
Almost surely, 24050000 is an apocalyptic number.
4050000 is a gapful number since it is divisible by the number (40) 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 4050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7325703).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4050000 is an frugal number, since it uses more digits than its factorization.
4050000 is an odious number, because the sum of its binary digits is odd.
The square root of 4050000 is about 2012.4611797498. The cubic root of 4050000 is about 159.3987853774.
The spelling of 4050000 in words is "four million, fifty thousand", and thus it is an eban number.