41561408 has 84 divisors (see below), whose sum is σ = 99463860. Its totient is φ = 17160192.

The previous prime is 41561407. The next prime is 41561411. The reversal of 41561408 is 80416514.

It can be written as a sum of positive squares in 2 ways, for example, as 29506624 + 12054784 = 5432^2 + 3472^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41561407) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 90716 + ... + 91172.

Almost surely, 2^41561408 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 41561408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49731930).

41561408 is an abundant number, since it is smaller than the sum of its proper divisors (57902452).

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

41561408 is a wasteful number, since it uses less digits than its factorization.

41561408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 41561408 is about 6446.8137866701. The cubic root of 41561408 is about 346.3884618721.

The spelling of 41561408 in words is "forty-one million, five hundred sixty-one thousand, four hundred eight".