2421431144 has 64 divisors (see below), whose sum is σ = 5038848000. Its totient is φ = 1081662400.

The previous prime is 2421431141. The next prime is 2421431161. The reversal of 2421431144 is 4411341242.

It is not an unprimeable number, because it can be changed into a prime (2421431141) 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, 3742229 + ... + 3742875.

It is an arithmetic number, because the mean of its divisors is an integer number (78732000).

Almost surely, 2^2421431144 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 2421431144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2519424000).

2421431144 is an abundant number, since it is smaller than the sum of its proper divisors (2617416856).

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

2421431144 is a wasteful number, since it uses less digits than its factorization.

2421431144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1330 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 2421431144 is about 49208.0394244680. The cubic root of 2421431144 is about 1342.8392948500.

Adding to 2421431144 its reverse (4411341242), we get a palindrome (6832772386).

The spelling of 2421431144 in words is "two billion, four hundred twenty-one million, four hundred thirty-one thousand, one hundred forty-four".