424666424 has 64 divisors (see below), whose sum is σ = 996710400. Its totient is φ = 165135744.

The previous prime is 424666423. The next prime is 424666439.

424666424 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 (424666423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38009 + ... + 47895.

It is an arithmetic number, because the mean of its divisors is an integer number (15573600).

Almost surely, 2^424666424 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 424666424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498355200).

424666424 is an abundant number, since it is smaller than the sum of its proper divisors (572043976).

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

424666424 is a wasteful number, since it uses less digits than its factorization.

424666424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9972 (or 9968 counting only the distinct ones).

The product of its digits is 221184, while the sum is 38.

The square root of 424666424 is about 20607.4361335902. The cubic root of 424666424 is about 751.6505421348.

The spelling of 424666424 in words is "four hundred twenty-four million, six hundred sixty-six thousand, four hundred twenty-four".