26098058538 has 24 divisors (see below), whose sum is σ = 59872017348. Its totient is φ = 8187626112.

The previous prime is 26098058477. The next prime is 26098058543. The reversal of 26098058538 is 83585089062.

26098058538 is a `hidden beast` number, since 26 + 0 + 9 + 8 + 0 + 585 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25365977289 + 732081249 = 159267^2 + 27057^2 .

It is a super-2 number, since 2×26098058538² (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 11 ways as a sum of consecutive naturals, for example, 42643581 + ... + 42644192.

Almost surely, 2^26098058538 is an apocalyptic number.

26098058538 is an abundant number, since it is smaller than the sum of its proper divisors (33773958810).

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

26098058538 is a wasteful number, since it uses less digits than its factorization.

26098058538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85287798 (or 85287795 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 26098058538 in words is "twenty-six billion, ninety-eight million, fifty-eight thousand, five hundred thirty-eight".