26020985638 has 8 divisors (see below), whose sum is σ = 41327447832. Its totient is φ = 12245169696.

The previous prime is 26020985593. The next prime is 26020985693. The reversal of 26020985638 is 83658902062.

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

It is a junction number, because it is equal to n+sod(n) for n = 26020985591 and 26020985600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382661520 + ... + 382661587.

It is an arithmetic number, because the mean of its divisors is an integer number (5165930979).

Almost surely, 2^26020985638 is an apocalyptic number.

26020985638 is a deficient number, since it is larger than the sum of its proper divisors (15306462194).

26020985638 is a wasteful number, since it uses less digits than its factorization.

26020985638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765323126.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 26020985638 in words is "twenty-six billion, twenty million, nine hundred eighty-five thousand, six hundred thirty-eight".