26516354228 has 24 divisors (see below), whose sum is σ = 57112148352. Its totient is φ = 10489986144.

The previous prime is 26516354209. The next prime is 26516354237. The reversal of 26516354228 is 82245361562.

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, 36423200 + ... + 36423927.

It is an arithmetic number, because the mean of its divisors is an integer number (2379672848).

Almost surely, 2^26516354228 is an apocalyptic number.

26516354228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26516354228 is an abundant number, since it is smaller than the sum of its proper divisors (30595794124).

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

26516354228 is a wasteful number, since it uses less digits than its factorization.

26516354228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72847151 (or 72847149 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The spelling of 26516354228 in words is "twenty-six billion, five hundred sixteen million, three hundred fifty-four thousand, two hundred twenty-eight".