26000016 has 80 divisors (see below), whose sum is σ = 77328384. Its totient is φ = 7373952.

The previous prime is 26000003. The next prime is 26000017. The reversal of 26000016 is 61000062.

26000016 = 223² + 224² + ... + 446².

It is a junction number, because it is equal to n+sod(n) for n = 25999959 and 26000004.

It is not an unprimeable number, because it can be changed into a prime (26000017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74755 + ... + 75101.

Almost surely, 2^26000016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26000016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38664192).

26000016 is an abundant number, since it is smaller than the sum of its proper divisors (51328368).

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

26000016 is a wasteful number, since it uses less digits than its factorization.

26000016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 26000016 is about 5099.0210825216. The cubic root of 26000016 is about 296.2496676099.

Adding to 26000016 its reverse (61000062), we get a palindrome (87000078).

The spelling of 26000016 in words is "twenty-six million, sixteen", and thus it is an aban number and an uban number.