40740 is digitally balanced in base 2, base 4 and base 6, because in such bases it contains all the possibile digits an equal number of times.
40740 is strictly pandigital in base 6.
It is a nialpdrome in base 15.
It is an unprimeable number.
240740 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 40740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40740 is a wasteful number, since it uses less digits than its factorization.
40740 is an evil number, because the sum of its binary digits is even.
The square root of 40740 is about 201.8415219919. The cubic root of 40740 is about 34.4091286392.
Adding to 40740 its sum of digits (15), we get a triangular number (40755 = T285).
The spelling of 40740 in words is "forty thousand, seven hundred forty", and thus it is an iban number.