424010421 has 24 divisors (see below), whose sum is σ = 634846680. Its totient is φ = 272380416.

The previous prime is 424010407. The next prime is 424010437. The reversal of 424010421 is 124010424.

424010421 is a `hidden beast` number, since 4 + 240 + 1 + 0 + 421 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3186225 + 420824196 = 1785^2 + 20514^2 .

It is not a de Polignac number, because 424010421 - 2¹⁷ = 423879349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424010394 and 424010403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424010021) 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, 159721 + ... + 162353.

It is an arithmetic number, because the mean of its divisors is an integer number (26451945).

Almost surely, 2^424010421 is an apocalyptic number.

It is an amenable number.

424010421 is a deficient number, since it is larger than the sum of its proper divisors (210836259).

424010421 is a wasteful number, since it uses less digits than its factorization.

424010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285 (or 3282 counting only the distinct ones).

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

The square root of 424010421 is about 20591.5133246685. The cubic root of 424010421 is about 751.2633055507.

Adding to 424010421 its reverse (124010424), we get a palindrome (548020845).

The spelling of 424010421 in words is "four hundred twenty-four million, ten thousand, four hundred twenty-one".