26403230265 has 16 divisors (see below), whose sum is σ = 42619022208. Its totient is φ = 13957104896.

The previous prime is 26403230263. The next prime is 26403230299. The reversal of 26403230265 is 56203230462.

It is a cyclic number.

It is not a de Polignac number, because 26403230265 - 2¹ = 26403230263 is a prime.

It is a super-2 number, since 2×26403230265² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26403230263) 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, 7786869 + ... + 7790258.

It is an arithmetic number, because the mean of its divisors is an integer number (2663688888).

Almost surely, 2^26403230265 is an apocalyptic number.

It is an amenable number.

26403230265 is a deficient number, since it is larger than the sum of its proper divisors (16215791943).

26403230265 is a wasteful number, since it uses less digits than its factorization.

26403230265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15577248.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 26403230265 in words is "twenty-six billion, four hundred three million, two hundred thirty thousand, two hundred sixty-five".