41409679 has 4 divisors (see below), whose sum is σ = 42290784. Its totient is φ = 40528576.

The previous prime is 41409677. The next prime is 41409689. The reversal of 41409679 is 97690414.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97690414 = 2 ⋅48845207.

It is a cyclic number.

It is not a de Polignac number, because 41409679 - 2¹ = 41409677 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41409673) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 440482 + ... + 440575.

It is an arithmetic number, because the mean of its divisors is an integer number (10572696).

Almost surely, 2^41409679 is an apocalyptic number.

41409679 is a deficient number, since it is larger than the sum of its proper divisors (881105).

41409679 is an equidigital number, since it uses as much as digits as its factorization.

41409679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881104.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 41409679 is about 6435.0352757386. The cubic root of 41409679 is about 345.9664256239.

The spelling of 41409679 in words is "forty-one million, four hundred nine thousand, six hundred seventy-nine".