26500002816 has 132 divisors (see below), whose sum is σ = 82164418368. Its totient is φ = 7571386368.

The previous prime is 26500002797. The next prime is 26500002833. The reversal of 26500002816 is 61820000562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62505 + ... + 238551.

Almost surely, 2^26500002816 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 26500002816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41082209184).

26500002816 is an abundant number, since it is smaller than the sum of its proper divisors (55664415552).

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

26500002816 is a wasteful number, since it uses less digits than its factorization.

26500002816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176084 (or 176059 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 26500002816 in words is "twenty-six billion, five hundred million, two thousand, eight hundred sixteen".