26406611345 has 8 divisors (see below), whose sum is σ = 32780621160. Its totient is φ = 20396830720.

The previous prime is 26406611339. The next prime is 26406611347. The reversal of 26406611345 is 54311660462.

It can be written as a sum of positive squares in 4 ways, for example, as 9687086929 + 16719524416 = 98423^2 + 129304^2 .

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

It is not a de Polignac number, because 26406611345 - 2⁶ = 26406611281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26406611299 and 26406611308.

It is not an unprimeable number, because it can be changed into a prime (26406611347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91057136 + ... + 91057425.

It is an arithmetic number, because the mean of its divisors is an integer number (4097577645).

Almost surely, 2^26406611345 is an apocalyptic number.

It is an amenable number.

26406611345 is a deficient number, since it is larger than the sum of its proper divisors (6374009815).

26406611345 is a wasteful number, since it uses less digits than its factorization.

26406611345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182114595.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 26406611345 in words is "twenty-six billion, four hundred six million, six hundred eleven thousand, three hundred forty-five".