26227256605 has 16 divisors (see below), whose sum is σ = 34337044224. Its totient is φ = 19072601280.

The previous prime is 26227256603. The next prime is 26227256609. The reversal of 26227256605 is 50665272262.

It is not a de Polignac number, because 26227256605 - 2¹ = 26227256603 is a prime.

It is a super-2 number, since 2×26227256605² (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 (26227256603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018924 + ... + 1044346.

It is an arithmetic number, because the mean of its divisors is an integer number (2146065264).

Almost surely, 2^26227256605 is an apocalyptic number.

It is an amenable number.

26227256605 is a deficient number, since it is larger than the sum of its proper divisors (8109787619).

26227256605 is a wasteful number, since it uses less digits than its factorization.

26227256605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44196.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 26227256605 in words is "twenty-six billion, two hundred twenty-seven million, two hundred fifty-six thousand, six hundred five".