26260405645 has 16 divisors (see below), whose sum is σ = 32226727680. Its totient is φ = 20533379904.

The previous prime is 26260405637. The next prime is 26260405657. The reversal of 26260405645 is 54650406262.

It is a cyclic number.

It is not a de Polignac number, because 26260405645 - 2³ = 26260405637 is a prime.

It is a super-3 number, since 3×26260405645³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26260405598 and 26260405607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98059 + ... + 249271.

It is an arithmetic number, because the mean of its divisors is an integer number (2014170480).

Almost surely, 2^26260405645 is an apocalyptic number.

It is an amenable number.

26260405645 is a deficient number, since it is larger than the sum of its proper divisors (5966322035).

26260405645 is a wasteful number, since it uses less digits than its factorization.

26260405645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152004.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 26260405645 in words is "twenty-six billion, two hundred sixty million, four hundred five thousand, six hundred forty-five".