41581420 has 12 divisors (see below), whose sum is σ = 87321024. Its totient is φ = 16632560.

The previous prime is 41581411. The next prime is 41581453. The reversal of 41581420 is 2418514.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039516 + ... + 1039555.

It is an arithmetic number, because the mean of its divisors is an integer number (7276752).

Almost surely, 2^41581420 is an apocalyptic number.

It is an amenable number.

41581420 is an abundant number, since it is smaller than the sum of its proper divisors (45739604).

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

41581420 is a wasteful number, since it uses less digits than its factorization.

41581420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079080 (or 2079078 counting only the distinct ones).

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

The square root of 41581420 is about 6448.3656844196. The cubic root of 41581420 is about 346.4440488052. Note that the first 3 decimals are identical.

Adding to 41581420 its reverse (2418514), we get a palindrome (43999934).

The spelling of 41581420 in words is "forty-one million, five hundred eighty-one thousand, four hundred twenty".