424787424 has 72 divisors (see below), whose sum is σ = 1130953320. Its totient is φ = 139606272.

The previous prime is 424787423. The next prime is 424787501.

424787424 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424787423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 598782 + ... + 599490.

It is an arithmetic number, because the mean of its divisors is an integer number (15707685).

Almost surely, 2^424787424 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 424787424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565476660).

424787424 is an abundant number, since it is smaller than the sum of its proper divisors (706165896).

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

424787424 is an equidigital number, since it uses as much as digits as its factorization.

424787424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 793 counting only the distinct ones).

The product of its digits is 401408, while the sum is 42.

The square root of 424787424 is about 20610.3717579281. The cubic root of 424787424 is about 751.7219244981.

The spelling of 424787424 in words is "four hundred twenty-four million, seven hundred eighty-seven thousand, four hundred twenty-four".