26045620 has 12 divisors (see below), whose sum is σ = 54695844. Its totient is φ = 10418240.

The previous prime is 26045603. The next prime is 26045627. The reversal of 26045620 is 2654062.

It can be written as a sum of positive squares in 2 ways, for example, as 20466576 + 5579044 = 4524^2 + 2362^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26045627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651121 + ... + 651160.

It is an arithmetic number, because the mean of its divisors is an integer number (4557987).

Almost surely, 2^26045620 is an apocalyptic number.

26045620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26045620 is an abundant number, since it is smaller than the sum of its proper divisors (28650224).

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

26045620 is a wasteful number, since it uses less digits than its factorization.

26045620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302290 (or 1302288 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 26045620 is about 5103.4909620768. The cubic root of 26045620 is about 296.4227736391.

Adding to 26045620 its reverse (2654062), we get a palindrome (28699682).

The spelling of 26045620 in words is "twenty-six million, forty-five thousand, six hundred twenty".