26016004 has 48 divisors (see below), whose sum is σ = 54286848. Its totient is φ = 10677888.

The previous prime is 26015993. The next prime is 26016007. The reversal of 26016004 is 40061062.

It is not an unprimeable number, because it can be changed into a prime (26016007) 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, 69562 + ... + 69934.

It is an arithmetic number, because the mean of its divisors is an integer number (1130976).

Almost surely, 2^26016004 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 26016004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27143424).

26016004 is an abundant number, since it is smaller than the sum of its proper divisors (28270844).

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

26016004 is a wasteful number, since it uses less digits than its factorization.

26016004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 26016004 is about 5100.5885934860. The cubic root of 26016004 is about 296.3103787157.

Adding to 26016004 its reverse (40061062), we get a palindrome (66077066).

The spelling of 26016004 in words is "twenty-six million, sixteen thousand, four".