42455424 is nontrivially palindromic in base 10.
It is a tau number, because it is divible by the number of its divisors (192).
It is a congruent number.
Almost surely, 242455424 is an apocalyptic number.
42455424 is a gapful number since it is divisible by the number (44) 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 42455424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67687200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42455424 is a wasteful number, since it uses less digits than its factorization.
42455424 is an evil number, because the sum of its binary digits is even.
The square root of 42455424 is about 6515.7826851423. The cubic root of 42455424 is about 348.8545519704.
The spelling of 42455424 in words is "forty-two million, four hundred fifty-five thousand, four hundred twenty-four".