26270232605 has 8 divisors (see below), whose sum is σ = 31525445472. Its totient is φ = 21015408528.

The previous prime is 26270232601. The next prime is 26270232607. The reversal of 26270232605 is 50623207262.

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

It is a cyclic number.

It is not a de Polignac number, because 26270232605 - 2² = 26270232601 is a prime.

It is a super-2 number, since 2×26270232605² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26270232601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81242 + ... + 243188.

It is an arithmetic number, because the mean of its divisors is an integer number (3940680684).

Almost surely, 2^26270232605 is an apocalyptic number.

It is an amenable number.

26270232605 is a deficient number, since it is larger than the sum of its proper divisors (5255212867).

26270232605 is a wasteful number, since it uses less digits than its factorization.

26270232605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194395.

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 26270232605 its reverse (50623207262), we get a palindrome (76893439867).

The spelling of 26270232605 in words is "twenty-six billion, two hundred seventy million, two hundred thirty-two thousand, six hundred five".