26435434641012 has 36 divisors (see below), whose sum is σ = 66824149879396. Its totient is φ = 8811647285760.

The previous prime is 26435434640911. The next prime is 26435434641017. The reversal of 26435434641012 is 21014643453462.

26435434641012 is a `hidden beast` number, since 2 + 6 + 43 + 5 + 43 + 464 + 101 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5814444851856 + 20620989789156 = 2411316^2 + 4541034^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26435434641017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4878439 + ... + 8756142.

Almost surely, 2^{26435434641012} is an apocalyptic number.

It is an amenable number.

26435434641012 is an abundant number, since it is smaller than the sum of its proper divisors (40388715238384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26435434641012 is a wasteful number, since it uses less digits than its factorization.

26435434641012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13688448 (or 13688443 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 26435434641012 in words is "twenty-six trillion, four hundred thirty-five billion, four hundred thirty-four million, six hundred forty-one thousand, twelve".