41081040 has 640 divisors, whose sum is σ = 199987200. Its totient is φ = 7464960.

The previous prime is 41081017. The next prime is 41081041. The reversal of 41081040 is 4018014.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41081041) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2162151 + ... + 2162169.

It is an arithmetic number, because the mean of its divisors is an integer number (312480).

Almost surely, 2^41081040 is an apocalyptic number.

41081040 is a gapful number since it is divisible by the number (40) 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 41081040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99993600).

41081040 is an abundant number, since it is smaller than the sum of its proper divisors (158906160).

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

41081040 is a wasteful number, since it uses less digits than its factorization.

41081040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 41081040 is about 6409.4492743137. The cubic root of 41081040 is about 345.0487643736.

Adding to 41081040 its reverse (4018014), we get a palindrome (45099054).

The spelling of 41081040 in words is "forty-one million, eighty-one thousand, forty".