26649668088 has 112 divisors (see below), whose sum is σ = 77501788200. Its totient is φ = 8576850240.

The previous prime is 26649668081. The next prime is 26649668093. The reversal of 26649668088 is 88086694662.

26649668088 is a `hidden beast` number, since 2 + 6 + 6 + 496 + 68 + 0 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26649668081) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 90343 + ... + 247913.

Almost surely, 2^26649668088 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 26649668088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38750894100).

26649668088 is an abundant number, since it is smaller than the sum of its proper divisors (50852120112).

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

26649668088 is a wasteful number, since it uses less digits than its factorization.

26649668088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157624 (or 157605 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 63.

The spelling of 26649668088 in words is "twenty-six billion, six hundred forty-nine million, six hundred sixty-eight thousand, eighty-eight".