26604980 has 12 divisors (see below), whose sum is σ = 55870500. Its totient is φ = 10641984.

The previous prime is 26604979. The next prime is 26605001. The reversal of 26604980 is 8940662.

It can be written as a sum of positive squares in 2 ways, for example, as 9597604 + 17007376 = 3098^2 + 4124^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26604980.

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, 665105 + ... + 665144.

It is an arithmetic number, because the mean of its divisors is an integer number (4655875).

Almost surely, 2^26604980 is an apocalyptic number.

26604980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26604980 is an abundant number, since it is smaller than the sum of its proper divisors (29265520).

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

26604980 is a wasteful number, since it uses less digits than its factorization.

26604980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330258 (or 1330256 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 26604980 is about 5158.0015509885. The cubic root of 26604980 is about 298.5297694741.

The spelling of 26604980 in words is "twenty-six million, six hundred four thousand, nine hundred eighty".