26316980 has 12 divisors (see below), whose sum is σ = 55265700. Its totient is φ = 10526784.

The previous prime is 26316943. The next prime is 26317001. The reversal of 26316980 is 8961362.

It can be written as a sum of positive squares in 2 ways, for example, as 4545424 + 21771556 = 2132^2 + 4666^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26316980.

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, 657905 + ... + 657944.

It is an arithmetic number, because the mean of its divisors is an integer number (4605475).

Almost surely, 2^26316980 is an apocalyptic number.

26316980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26316980 is an abundant number, since it is smaller than the sum of its proper divisors (28948720).

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

26316980 is a wasteful number, since it uses less digits than its factorization.

26316980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315858 (or 1315856 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 26316980 is about 5130.0077972650. The cubic root of 26316980 is about 297.4486600200.

The spelling of 26316980 in words is "twenty-six million, three hundred sixteen thousand, nine hundred eighty".