26080642 has 12 divisors (see below), whose sum is σ = 45508230. Its totient is φ = 11177376.

The previous prime is 26080631. The next prime is 26080667. The reversal of 26080642 is 24608062.

It can be written as a sum of positive squares in only one way, i.e., 19263321 + 6817321 = 4389^2 + 2611^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26080642.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 132967 + ... + 133162.

Almost surely, 2^26080642 is an apocalyptic number.

26080642 is a deficient number, since it is larger than the sum of its proper divisors (19427588).

26080642 is a wasteful number, since it uses less digits than its factorization.

26080642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266145 (or 266138 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 26080642 is about 5106.9209901858. The cubic root of 26080642 is about 296.5555748395. Note that the first 4 decimals are identical.

The spelling of 26080642 in words is "twenty-six million, eighty thousand, six hundred forty-two".