26521044104 has 8 divisors (see below), whose sum is σ = 49726957710. Its totient is φ = 13260522048.

The previous prime is 26521044103. The next prime is 26521044107. The reversal of 26521044104 is 40144012562.

It can be written as a sum of positive squares in only one way, i.e., 19090948900 + 7430095204 = 138170^2 + 86198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (26521044103) 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 as a sum of consecutive naturals, namely, 1657565249 + ... + 1657565264.

Almost surely, 2^26521044104 is an apocalyptic number.

It is an amenable number.

26521044104 is a deficient number, since it is larger than the sum of its proper divisors (23205913606).

26521044104 is a wasteful number, since it uses less digits than its factorization.

26521044104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315130519 (or 3315130515 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 26521044104 its reverse (40144012562), we get a palindrome (66665056666).

The spelling of 26521044104 in words is "twenty-six billion, five hundred twenty-one million, forty-four thousand, one hundred four".