424026420 has 96 divisors (see below), whose sum is σ = 1254113280. Its totient is φ = 106750080.

The previous prime is 424026409. The next prime is 424026431. The reversal of 424026420 is 24620424.

It is an interprime number because it is at equal distance from previous prime (424026409) and next prime (424026431).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 490909 + ... + 491771.

It is an arithmetic number, because the mean of its divisors is an integer number (13063680).

Almost surely, 2^424026420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424026420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627056640).

424026420 is an abundant number, since it is smaller than the sum of its proper divisors (830086860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424026420 is a wasteful number, since it uses less digits than its factorization.

424026420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 424026420 is about 20591.9018062927. The cubic root of 424026420 is about 751.2727544619.

Adding to 424026420 its reverse (24620424), we get a palindrome (448646844).

The spelling of 424026420 in words is "four hundred twenty-four million, twenty-six thousand, four hundred twenty".