2421345424 has 80 divisors (see below), whose sum is σ = 4991680512. Its totient is φ = 1135499904.

The previous prime is 2421345371. The next prime is 2421345431. The reversal of 2421345424 is 4245431242.

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 15 ways as a sum of consecutive naturals, for example, 4813557 + ... + 4814059.

Almost surely, 2^2421345424 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 2421345424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2495840256).

2421345424 is an abundant number, since it is smaller than the sum of its proper divisors (2570335088).

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

2421345424 is a wasteful number, since it uses less digits than its factorization.

2421345424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 758 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 2421345424 is about 49207.1684208714. The cubic root of 2421345424 is about 1342.8234489121.

Adding to 2421345424 its reverse (4245431242), we get a palindrome (6666776666).

The spelling of 2421345424 in words is "two billion, four hundred twenty-one million, three hundred forty-five thousand, four hundred twenty-four".