26050232538 has 144 divisors (see below), whose sum is σ = 65475708480. Its totient is φ = 7464673920.

The previous prime is 26050232479. The next prime is 26050232563. The reversal of 26050232538 is 83523205062.

26050232538 is a `hidden beast` number, since 2 + 605 + 0 + 23 + 25 + 3 + 8 = 666.

It is a super-2 number, since 2×26050232538² (a number of 22 digits) contains 22 as substring.

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, 4455445 + ... + 4461287.

It is an arithmetic number, because the mean of its divisors is an integer number (454692420).

Almost surely, 2^26050232538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26050232538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32737854240).

26050232538 is an abundant number, since it is smaller than the sum of its proper divisors (39425475942).

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

26050232538 is a wasteful number, since it uses less digits than its factorization.

26050232538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5985 (or 5971 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 26050232538 in words is "twenty-six billion, fifty million, two hundred thirty-two thousand, five hundred thirty-eight".