26401104 has 60 divisors (see below), whose sum is σ = 74474400. Its totient is φ = 8730432.

The previous prime is 26401103. The next prime is 26401121. The reversal of 26401104 is 40110462.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26401103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19357 + ... + 20675.

It is an arithmetic number, because the mean of its divisors is an integer number (1241240).

Almost surely, 2^26401104 is an apocalyptic number.

26401104 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 26401104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37237200).

26401104 is an abundant number, since it is smaller than the sum of its proper divisors (48073296).

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

26401104 is a wasteful number, since it uses less digits than its factorization.

26401104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 26401104 is about 5138.2004631972. The cubic root of 26401104 is about 297.7652611423.

Adding to 26401104 its reverse (40110462), we get a palindrome (66511566).

The spelling of 26401104 in words is "twenty-six million, four hundred one thousand, one hundred four".