26468642 has 4 divisors (see below), whose sum is σ = 39702966. Its totient is φ = 13234320.

The previous prime is 26468633. The next prime is 26468647. The reversal of 26468642 is 24686462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24686462 = 2 ⋅12343231.

It can be written as a sum of positive squares in only one way, i.e., 19280881 + 7187761 = 4391^2 + 2681^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26468596 and 26468605.

It is not an unprimeable number, because it can be changed into a prime (26468647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6617159 + ... + 6617162.

Almost surely, 2^26468642 is an apocalyptic number.

26468642 is a deficient number, since it is larger than the sum of its proper divisors (13234324).

26468642 is a wasteful number, since it uses less digits than its factorization.

26468642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13234323.

The product of its digits is 110592, while the sum is 38.

The square root of 26468642 is about 5144.7684107256. The cubic root of 26468642 is about 298.0189543970.

The spelling of 26468642 in words is "twenty-six million, four hundred sixty-eight thousand, six hundred forty-two".