2438995338 has 144 divisors (see below), whose sum is σ = 6167757960. Its totient is φ = 689965056.

The previous prime is 2438995327. The next prime is 2438995357. The reversal of 2438995338 is 8335998342.

It is a happy number.

2438995338 is a `hidden beast` number, since 24 + 3 + 89 + 9 + 533 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1647304569 + 791690769 = 40587^2 + 28137^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 27404398 + ... + 27404486.

Almost surely, 2^2438995338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2438995338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3083878980).

2438995338 is an abundant number, since it is smaller than the sum of its proper divisors (3728762622).

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

2438995338 is a wasteful number, since it uses less digits than its factorization.

2438995338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 207 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 2438995338 is about 49386.1857000518. The cubic root of 2438995338 is about 1346.0783009483.

The spelling of 2438995338 in words is "two billion, four hundred thirty-eight million, nine hundred ninety-five thousand, three hundred thirty-eight".