41042540 has 96 divisors (see below), whose sum is σ = 111283200. Its totient is φ = 12337920.

The previous prime is 41042531. The next prime is 41042563. The reversal of 41042540 is 4524014.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 31 ways as a sum of consecutive naturals, for example, 44201 + ... + 45119.

It is an arithmetic number, because the mean of its divisors is an integer number (1159200).

Almost surely, 2^41042540 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 41042540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55641600).

41042540 is an abundant number, since it is smaller than the sum of its proper divisors (70240660).

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

41042540 is a wasteful number, since it uses less digits than its factorization.

41042540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 41042540 is about 6406.4451921483. The cubic root of 41042540 is about 344.9409406711.

Adding to 41042540 its reverse (4524014), we get a palindrome (45566554).

The spelling of 41042540 in words is "forty-one million, forty-two thousand, five hundred forty".