26530403316 has 24 divisors (see below), whose sum is σ = 61918400544. Its totient is φ = 8841449760.

The previous prime is 26530403243. The next prime is 26530403381. The reversal of 26530403316 is 61330403562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196990 + ... + 303093.

It is an arithmetic number, because the mean of its divisors is an integer number (2579933356).

Almost surely, 2^26530403316 is an apocalyptic number.

It is an amenable number.

26530403316 is an abundant number, since it is smaller than the sum of its proper divisors (35387997228).

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

26530403316 is a wasteful number, since it uses less digits than its factorization.

26530403316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504511 (or 504509 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 26530403316 its reverse (61330403562), we get a palindrome (87860806878).

The spelling of 26530403316 in words is "twenty-six billion, five hundred thirty million, four hundred three thousand, three hundred sixteen".