Adding to 409600000000 its reverse (6904), we get a palindrome (409600006904).
It is a happy number.
The square root of 409600000000 is 640000.
It is a Duffinian number.
Almost surely, 2409600000000 is an apocalyptic number.
409600000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
409600000000 is a droll number since its even prime factors and its odd prime factors have the same sum.
409600000000 is the 640000-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 409600000000
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
409600000000 is an frugal number, since it uses more digits than its factorization.
409600000000 is an evil number, because the sum of its binary digits is even.
The spelling of 409600000000 in words is "four hundred nine billion, six hundred million", and thus it is an aban number.