5268526321638 has 8 divisors (see below), whose sum is σ = 10537052643288. Its totient is φ = 1756175440544.

The previous prime is 5268526321633. The next prime is 5268526321649. The reversal of 5268526321638 is 8361236258625.

It is a sphenic number, since it is the product of 3 distinct primes.

5268526321638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5268526321633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439043860131 + ... + 439043860142.

It is an arithmetic number, because the mean of its divisors is an integer number (1317131580411).

Almost surely, 2^{5268526321638} is an apocalyptic number.

5268526321638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5268526321638 is a wasteful number, since it uses less digits than its factorization.

5268526321638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878087720278.

The product of its digits is 24883200, while the sum is 57.

The spelling of 5268526321638 in words is "five trillion, two hundred sixty-eight billion, five hundred twenty-six million, three hundred twenty-one thousand, six hundred thirty-eight".