26080690 has 16 divisors (see below), whose sum is σ = 47290392. Its totient is φ = 10355584.

The previous prime is 26080687. The next prime is 26080697. The reversal of 26080690 is 9608062.

It can be written as a sum of positive squares in 4 ways, for example, as 13271449 + 12809241 = 3643^2 + 3579^2 .

It is a super-2 number, since 2×26080690² = 1360404781752200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26080697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8149 + ... + 10888.

Almost surely, 2^26080690 is an apocalyptic number.

26080690 is a deficient number, since it is larger than the sum of its proper divisors (21209702).

26080690 is a wasteful number, since it uses less digits than its factorization.

26080690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19181.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 26080690 is about 5106.9256896885. The cubic root of 26080690 is about 296.5557567708. Note that the first 3 decimals are identical.

The spelling of 26080690 in words is "twenty-six million, eighty thousand, six hundred ninety".