62640 is a `hidden beast` number, since 626 + 40 = 666.
62640 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 (80).
It is a d-powerful number, because it can be written as 65 + 213 + 66 + 42 + 0 .
It is an unprimeable number.
262640 is an apocalyptic number.
62640 is a gapful number since it is divisible by the number (60) 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 62640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
62640 is a wasteful number, since it uses less digits than its factorization.
62640 is an evil number, because the sum of its binary digits is even.
The square root of 62640 is about 250.2798433754. The cubic root of 62640 is about 39.7146356882.
The spelling of 62640 in words is "sixty-two thousand, six hundred forty".