26338468138 has 8 divisors (see below), whose sum is σ = 39681745632. Its totient is φ = 13111219596.

The previous prime is 26338468129. The next prime is 26338468139. The reversal of 26338468138 is 83186483362.

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

It is not an unprimeable number, because it can be changed into a prime (26338468139) 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, 29006670 + ... + 29007577.

It is an arithmetic number, because the mean of its divisors is an integer number (4960218204).

Almost surely, 2^26338468138 is an apocalyptic number.

26338468138 is a deficient number, since it is larger than the sum of its proper divisors (13343277494).

26338468138 is a wasteful number, since it uses less digits than its factorization.

26338468138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58014476.

The product of its digits is 3981312, while the sum is 52.

The spelling of 26338468138 in words is "twenty-six billion, three hundred thirty-eight million, four hundred sixty-eight thousand, one hundred thirty-eight".