26415008016 has 80 divisors (see below), whose sum is σ = 69892669440. Its totient is φ = 8591990400.

The previous prime is 26415007951. The next prime is 26415008071. The reversal of 26415008016 is 61080051462.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2370105 + ... + 2381223.

It is an arithmetic number, because the mean of its divisors is an integer number (873658368).

Almost surely, 2^26415008016 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 26415008016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34946334720).

26415008016 is an abundant number, since it is smaller than the sum of its proper divisors (43477661424).

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

26415008016 is a wasteful number, since it uses less digits than its factorization.

26415008016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12324 (or 12318 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

Adding to 26415008016 its reverse (61080051462), we get a palindrome (87495059478).

The spelling of 26415008016 in words is "twenty-six billion, four hundred fifteen million, eight thousand, sixteen".