41020405 has 8 divisors (see below), whose sum is σ = 52120152. Its totient is φ = 30885888.

The previous prime is 41020391. The next prime is 41020433. The reversal of 41020405 is 50402014.

It can be written as a sum of positive squares in 4 ways, for example, as 6832996 + 34187409 = 2614^2 + 5847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41020405 - 2⁷ = 41020277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241212 + ... + 241381.

It is an arithmetic number, because the mean of its divisors is an integer number (6515019).

Almost surely, 2^41020405 is an apocalyptic number.

It is an amenable number.

41020405 is a deficient number, since it is larger than the sum of its proper divisors (11099747).

41020405 is a wasteful number, since it uses less digits than its factorization.

41020405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482615.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 41020405 is about 6404.7174020405. The cubic root of 41020405 is about 344.8789185127.

Adding to 41020405 its reverse (50402014), we get a palindrome (91422419).

The spelling of 41020405 in words is "forty-one million, twenty thousand, four hundred five".