26680104 has 160 divisors (see below), whose sum is σ = 86248800. Its totient is φ = 7620480.

The previous prime is 26680099. The next prime is 26680111. The reversal of 26680104 is 40108662.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 135334 + ... + 135530.

It is an arithmetic number, because the mean of its divisors is an integer number (539055).

Almost surely, 2^26680104 is an apocalyptic number.

26680104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26680104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43124400).

26680104 is an abundant number, since it is smaller than the sum of its proper divisors (59568696).

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

26680104 is a wasteful number, since it uses less digits than its factorization.

26680104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 26680104 is about 5165.2786952884. The cubic root of 26680104 is about 298.8104897851.

Adding to 26680104 its reverse (40108662), we get a palindrome (66788766).

The spelling of 26680104 in words is "twenty-six million, six hundred eighty thousand, one hundred four".