26456734005 has 32 divisors (see below), whose sum is σ = 46819081344. Its totient is φ = 12672827136.

The previous prime is 26456734001. The next prime is 26456734013. The reversal of 26456734005 is 50043765462.

It is not a de Polignac number, because 26456734005 - 2² = 26456734001 is a prime.

It is a super-2 number, since 2×26456734005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26456734001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1826239 + ... + 1840668.

It is an arithmetic number, because the mean of its divisors is an integer number (1463096292).

Almost surely, 2^26456734005 is an apocalyptic number.

It is an amenable number.

26456734005 is a deficient number, since it is larger than the sum of its proper divisors (20362347339).

26456734005 is a wasteful number, since it uses less digits than its factorization.

26456734005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666965.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 26456734005 in words is "twenty-six billion, four hundred fifty-six million, seven hundred thirty-four thousand, five".