26831120 has 60 divisors (see below), whose sum is σ = 64644300. Its totient is φ = 10356480.

The previous prime is 26831111. The next prime is 26831149. The reversal of 26831120 is 2113862.

It can be written as a sum of positive squares in 2 ways, for example, as 14776336 + 12054784 = 3844^2 + 3472^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76706 + ... + 77054.

It is an arithmetic number, because the mean of its divisors is an integer number (1077405).

Almost surely, 2^26831120 is an apocalyptic number.

26831120 is a gapful number since it is divisible by the number (20) 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 26831120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32322150).

26831120 is an abundant number, since it is smaller than the sum of its proper divisors (37813180).

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

26831120 is a wasteful number, since it uses less digits than its factorization.

26831120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 26831120 is about 5179.8764464029. The cubic root of 26831120 is about 299.3732098777.

Adding to 26831120 its reverse (2113862), we get a palindrome (28944982).

The spelling of 26831120 in words is "twenty-six million, eight hundred thirty-one thousand, one hundred twenty".