41509440 has 336 divisors, whose sum is σ = 171175680. Its totient is φ = 9031680.

The previous prime is 41509439. The next prime is 41509453. The reversal of 41509440 is 4490514.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×41509440² = 3446067218227200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 584605 + ... + 584675.

Almost surely, 2^41509440 is an apocalyptic number.

41509440 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 41509440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85587840).

41509440 is an abundant number, since it is smaller than the sum of its proper divisors (129666240).

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

41509440 is a wasteful number, since it uses less digits than its factorization.

41509440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 41509440 is about 6442.7820077976. The cubic root of 41509440 is about 346.2440280133.

Adding to 41509440 its reverse (4490514), we get a palindrome (45999954).

The spelling of 41509440 in words is "forty-one million, five hundred nine thousand, four hundred forty".