26465358216 has 128 divisors (see below), whose sum is σ = 73919692800. Its totient is φ = 7827271680.

The previous prime is 26465358197. The next prime is 26465358239. The reversal of 26465358216 is 61285356462.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4749480 + ... + 4755048.

It is an arithmetic number, because the mean of its divisors is an integer number (577497600).

Almost surely, 2^26465358216 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 26465358216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36959846400).

26465358216 is an abundant number, since it is smaller than the sum of its proper divisors (47454334584).

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

26465358216 is a wasteful number, since it uses less digits than its factorization.

26465358216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019 (or 6015 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The spelling of 26465358216 in words is "twenty-six billion, four hundred sixty-five million, three hundred fifty-eight thousand, two hundred sixteen".