26250320 has 20 divisors (see below), whose sum is σ = 61032180. Its totient is φ = 10500096.

The previous prime is 26250319. The next prime is 26250349. The reversal of 26250320 is 2305262.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5053504 + 21196816 = 2248^2 + 4604^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 26250292 and 26250301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163985 + ... + 164144.

It is an arithmetic number, because the mean of its divisors is an integer number (3051609).

Almost surely, 2^26250320 is an apocalyptic number.

26250320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26250320 is an abundant number, since it is smaller than the sum of its proper divisors (34781860).

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

26250320 is a wasteful number, since it uses less digits than its factorization.

26250320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328142 (or 328136 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 26250320 is about 5123.5066116870. The cubic root of 26250320 is about 297.1973052872.

Adding to 26250320 its reverse (2305262), we get a palindrome (28555582).

The spelling of 26250320 in words is "twenty-six million, two hundred fifty thousand, three hundred twenty".