26680788 has 54 divisors (see below), whose sum is σ = 71214234. Its totient is φ = 8421408.

The previous prime is 26680781. The next prime is 26680789. The reversal of 26680788 is 88708662.

It can be written as a sum of positive squares in only one way, i.e., 22924944 + 3755844 = 4788^2 + 1938^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26680781) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11970 + ... + 14022.

Almost surely, 2^26680788 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 26680788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35607117).

26680788 is an abundant number, since it is smaller than the sum of its proper divisors (44533446).

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

26680788 is a wasteful number, since it uses less digits than its factorization.

26680788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 26680788 is about 5165.3449061994. The cubic root of 26680788 is about 298.8130433063.

The spelling of 26680788 in words is "twenty-six million, six hundred eighty thousand, seven hundred eighty-eight".