26662642 has 8 divisors (see below), whose sum is σ = 40033836. Its totient is φ = 13318032.

The previous prime is 26662639. The next prime is 26662651. The reversal of 26662642 is 24626662.

It can be written as a sum of positive squares in 2 ways, for example, as 21818241 + 4844401 = 4671^2 + 2201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 26662598 and 26662607.

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, 3913 + ... + 8284.

Almost surely, 2^26662642 is an apocalyptic number.

26662642 is a deficient number, since it is larger than the sum of its proper divisors (13371194).

26662642 is a wasteful number, since it uses less digits than its factorization.

26662642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13292.

The product of its digits is 41472, while the sum is 34.

The square root of 26662642 is about 5163.5880935644. The cubic root of 26662642 is about 298.7452855474.

The spelling of 26662642 in words is "twenty-six million, six hundred sixty-two thousand, six hundred forty-two".