41281728 has 56 divisors (see below), whose sum is σ = 109849920. Its totient is φ = 13681920.

The previous prime is 41281717. The next prime is 41281741. The reversal of 41281728 is 82718214.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40003 + ... + 41021.

Almost surely, 2^41281728 is an apocalyptic number.

41281728 is a gapful number since it is divisible by the number (48) 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 41281728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54924960).

41281728 is an abundant number, since it is smaller than the sum of its proper divisors (68568192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41281728 is a wasteful number, since it uses less digits than its factorization.

41281728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1235 counting only the distinct ones).

The product of its digits is 7168, while the sum is 33.

The square root of 41281728 is about 6425.0858360025. The cubic root of 41281728 is about 345.6097262352.

The spelling of 41281728 in words is "forty-one million, two hundred eighty-one thousand, seven hundred twenty-eight".