2399424944 has 50 divisors (see below), whose sum is σ = 5423464260. Its totient is φ = 1028308512.

The previous prime is 2399424917. The next prime is 2399424947. The reversal of 2399424944 is 4494249932.

It is a junction number, because it is equal to n+sod(n) for n = 2399424892 and 2399424901.

It is not an unprimeable number, because it can be changed into a prime (2399424947) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7187 + ... + 69645.

Almost surely, 2^2399424944 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 2399424944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2711732130).

2399424944 is an abundant number, since it is smaller than the sum of its proper divisors (3024039316).

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

2399424944 is an frugal number, since it uses more digits than its factorization.

2399424944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62495 (or 62468 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 50.

The square root of 2399424944 is about 48983.9253633271. The cubic root of 2399424944 is about 1338.7589578907.

The spelling of 2399424944 in words is "two billion, three hundred ninety-nine million, four hundred twenty-four thousand, nine hundred forty-four".