410042421 has 6 divisors (see below), whose sum is σ = 592283510. Its totient is φ = 273361608.

The previous prime is 410042417. The next prime is 410042449. The reversal of 410042421 is 124240014.

It can be written as a sum of positive squares in only one way, i.e., 341732196 + 68310225 = 18486^2 + 8265^2 .

It is not a de Polignac number, because 410042421 - 2² = 410042417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 410042394 and 410042403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (410044421) 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 5 ways as a sum of consecutive naturals, for example, 22780126 + ... + 22780143.

Almost surely, 2^410042421 is an apocalyptic number.

It is an amenable number.

410042421 is a deficient number, since it is larger than the sum of its proper divisors (182241089).

410042421 is a wasteful number, since it uses less digits than its factorization.

410042421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45560275 (or 45560272 counting only the distinct ones).

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

The square root of 410042421 is about 20249.5042161530. The cubic root of 410042421 is about 742.9215047133.

Adding to 410042421 its reverse (124240014), we get a palindrome (534282435).

The spelling of 410042421 in words is "four hundred ten million, forty-two thousand, four hundred twenty-one".