26441278538 has 8 divisors (see below), whose sum is σ = 41386349088. Its totient is φ = 12645828844.

The previous prime is 26441278531. The next prime is 26441278621. The reversal of 26441278538 is 83587214462.

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 (26441278531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287405156 + ... + 287405247.

It is an arithmetic number, because the mean of its divisors is an integer number (5173293636).

Almost surely, 2^26441278538 is an apocalyptic number.

26441278538 is a deficient number, since it is larger than the sum of its proper divisors (14945070550).

26441278538 is a wasteful number, since it uses less digits than its factorization.

26441278538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574810428.

The product of its digits is 2580480, while the sum is 50.

The spelling of 26441278538 in words is "twenty-six billion, four hundred forty-one million, two hundred seventy-eight thousand, five hundred thirty-eight".