424121424 has 20 divisors (see below), whose sum is σ = 1095647136. Its totient is φ = 141373792.

The previous prime is 424121413. The next prime is 424121443.

424121424 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 424121394 and 424121403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4417884 + ... + 4417979.

Almost surely, 2^424121424 is an apocalyptic number.

It is an amenable number.

424121424 is an abundant number, since it is smaller than the sum of its proper divisors (671525712).

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

424121424 is a wasteful number, since it uses less digits than its factorization.

424121424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835874 (or 8835868 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 424121424 is about 20594.2085062767. The cubic root of 424121424 is about 751.3288583457.

The spelling of 424121424 in words is "four hundred twenty-four million, one hundred twenty-one thousand, four hundred twenty-four".