26638479135016 has 32 divisors (see below), whose sum is σ = 57083614850880. Its totient is φ = 11416259145600.

The previous prime is 26638479134999. The next prime is 26638479135031. The reversal of 26638479135016 is 61053197483662.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035830 + ... + 7577701.

It is an arithmetic number, because the mean of its divisors is an integer number (1783862964090).

It is a 1-persistent number, because it is pandigital, but 2⋅26638479135016 = 53276958270032 is not.

Almost surely, 2^{26638479135016} is an apocalyptic number.

It is an amenable number.

26638479135016 is an abundant number, since it is smaller than the sum of its proper divisors (30445135715864).

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

26638479135016 is a wasteful number, since it uses less digits than its factorization.

26638479135016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9663025 (or 9663021 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 26638479135016 in words is "twenty-six trillion, six hundred thirty-eight billion, four hundred seventy-nine million, one hundred thirty-five thousand, sixteen".