26145400 has 48 divisors (see below), whose sum is σ = 62763840. Its totient is φ = 10118400.

The previous prime is 26145397. The next prime is 26145401. The reversal of 26145400 is 454162.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26145401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4092 + ... + 8308.

It is an arithmetic number, because the mean of its divisors is an integer number (1307580).

Almost surely, 2^26145400 is an apocalyptic number.

26145400 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 26145400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31381920).

26145400 is an abundant number, since it is smaller than the sum of its proper divisors (36618440).

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

26145400 is a wasteful number, since it uses less digits than its factorization.

26145400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264 (or 4255 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 26145400 is about 5113.2572788781. The cubic root of 26145400 is about 296.8008202475.

Adding to 26145400 its reverse (454162), we get a palindrome (26599562).

The spelling of 26145400 in words is "twenty-six million, one hundred forty-five thousand, four hundred".