26426505 has 32 divisors (see below), whose sum is σ = 48787200. Its totient is φ = 11964672.

The previous prime is 26426501. The next prime is 26426567. The reversal of 26426505 is 50562462.

26426505 = 118² + 119² + ... + 432².

It is not a de Polignac number, because 26426505 - 2² = 26426501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26426501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10291 + ... + 12599.

It is an arithmetic number, because the mean of its divisors is an integer number (1524600).

Almost surely, 2^26426505 is an apocalyptic number.

It is an amenable number.

26426505 is a deficient number, since it is larger than the sum of its proper divisors (22360695).

26426505 is a wasteful number, since it uses less digits than its factorization.

26426505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 26426505 is about 5140.6716487245. The cubic root of 26426505 is about 297.8607257237.

Adding to 26426505 its reverse (50562462), we get a palindrome (76988967).

The spelling of 26426505 in words is "twenty-six million, four hundred twenty-six thousand, five hundred five".