It is a tau number, because it is divible by the number of its divisors (128).
It is an unprimeable number.
Almost surely, 2420562560 is an apocalyptic number.
420562560 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 420562560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731242080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420562560 is a wasteful number, since it uses less digits than its factorization.
420562560 is an odious number, because the sum of its binary digits is odd.
The square root of 420562560 is about 20507.6219976866. The cubic root of 420562560 is about 749.2214498704.
The spelling of 420562560 in words is "four hundred twenty million, five hundred sixty-two thousand, five hundred sixty".