2538810442 has 12 divisors (see below), whose sum is σ = 4429965330. Its totient is φ = 1088061576.

The previous prime is 2538810427. The next prime is 2538810479. The reversal of 2538810442 is 2440188352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1518582961 + 1020227481 = 38969^2 + 31941^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12953017 + ... + 12953212.

Almost surely, 2^2538810442 is an apocalyptic number.

2538810442 is a deficient number, since it is larger than the sum of its proper divisors (1891154888).

2538810442 is a wasteful number, since it uses less digits than its factorization.

2538810442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25906245 (or 25906238 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 2538810442 is about 50386.6097490196. The cubic root of 2538810442 is about 1364.1959586513.

Adding to 2538810442 its reverse (2440188352), we get a palindrome (4978998794).

The spelling of 2538810442 in words is "two billion, five hundred thirty-eight million, eight hundred ten thousand, four hundred forty-two".