41420421 has 24 divisors (see below), whose sum is σ = 68777280. Its totient is φ = 23530176.

The previous prime is 41420417. The next prime is 41420441. The reversal of 41420421 is 12402414.

It is not a de Polignac number, because 41420421 - 2² = 41420417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 41420394 and 41420403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41420441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9441 + ... + 13113.

It is an arithmetic number, because the mean of its divisors is an integer number (2865720).

Almost surely, 2^41420421 is an apocalyptic number.

It is an amenable number.

41420421 is a deficient number, since it is larger than the sum of its proper divisors (27356859).

41420421 is a wasteful number, since it uses less digits than its factorization.

41420421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865 (or 3862 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 41420421 is about 6435.8698712761. The cubic root of 41420421 is about 345.9963385181.

Adding to 41420421 its reverse (12402414), we get a palindrome (53822835).

The spelling of 41420421 in words is "forty-one million, four hundred twenty thousand, four hundred twenty-one".