26159813738 has 48 divisors (see below), whose sum is σ = 43381184256. Its totient is φ = 11806961760.

The previous prime is 26159813731. The next prime is 26159813783. The reversal of 26159813738 is 83731895162.

It is a self number, because there is not a number n which added to its sum of digits gives 26159813738.

It is not an unprimeable number, because it can be changed into a prime (26159813731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4497320 + ... + 4503132.

It is an arithmetic number, because the mean of its divisors is an integer number (903774672).

Almost surely, 2^26159813738 is an apocalyptic number.

26159813738 is a deficient number, since it is larger than the sum of its proper divisors (17221370518).

26159813738 is a wasteful number, since it uses less digits than its factorization.

26159813738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147 (or 6128 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The spelling of 26159813738 in words is "twenty-six billion, one hundred fifty-nine million, eight hundred thirteen thousand, seven hundred thirty-eight".