2421686484 has 144 divisors (see below), whose sum is σ = 7432903296. Its totient is φ = 674956800.

The previous prime is 2421686483. The next prime is 2421686497. The reversal of 2421686484 is 4846861242.

2421686484 is a `hidden beast` number, since 2 + 4 + 2 + 168 + 6 + 484 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421686483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 274624 + ... + 283304.

It is an arithmetic number, because the mean of its divisors is an integer number (51617384).

Almost surely, 2^2421686484 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 2421686484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3716451648).

2421686484 is an abundant number, since it is smaller than the sum of its proper divisors (5011216812).

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

2421686484 is a wasteful number, since it uses less digits than its factorization.

2421686484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8748 (or 8734 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 2421686484 is about 49210.6338508254. The cubic root of 2421686484 is about 1342.8864940081.

The spelling of 2421686484 in words is "two billion, four hundred twenty-one million, six hundred eighty-six thousand, four hundred eighty-four".