41281540 has 12 divisors (see below), whose sum is σ = 86691276. Its totient is φ = 16512608.

The previous prime is 41281531. The next prime is 41281561. The reversal of 41281540 is 4518214.

It can be written as a sum of positive squares in 2 ways, for example, as 11600836 + 29680704 = 3406^2 + 5448^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032019 + ... + 1032058.

It is an arithmetic number, because the mean of its divisors is an integer number (7224273).

Almost surely, 2^41281540 is an apocalyptic number.

It is an amenable number.

41281540 is an abundant number, since it is smaller than the sum of its proper divisors (45409736).

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

41281540 is a wasteful number, since it uses less digits than its factorization.

41281540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064086 (or 2064084 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 41281540 is about 6425.0712058311. The cubic root of 41281540 is about 345.6092015904.

Adding to 41281540 its reverse (4518214), we get a palindrome (45799754).

The spelling of 41281540 in words is "forty-one million, two hundred eighty-one thousand, five hundred forty".