41404021 has 8 divisors (see below), whose sum is σ = 43746080. Its totient is φ = 39078288.

The previous prime is 41404019. The next prime is 41404063. The reversal of 41404021 is 12040414.

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

It is not a de Polignac number, because 41404021 - 2¹ = 41404019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41403986 and 41404004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41404001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330 + ... + 9196.

It is an arithmetic number, because the mean of its divisors is an integer number (5468260).

Almost surely, 2^41404021 is an apocalyptic number.

It is an amenable number.

41404021 is a deficient number, since it is larger than the sum of its proper divisors (2342059).

41404021 is a wasteful number, since it uses less digits than its factorization.

41404021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 41404021 is about 6434.5956360909. The cubic root of 41404021 is about 345.9506678973.

Adding to 41404021 its reverse (12040414), we get a palindrome (53444435).

The spelling of 41404021 in words is "forty-one million, four hundred four thousand, twenty-one".