26356260285 has 12 divisors (see below), whose sum is σ = 45684184572. Its totient is φ = 14056672128.

The previous prime is 26356260247. The next prime is 26356260289. The reversal of 26356260285 is 58206265362.

26356260285 is a `hidden beast` number, since 2 + 6 + 3 + 562 + 6 + 0 + 2 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16111986489 + 10244273796 = 126933^2 + 101214^2 .

It is not a de Polignac number, because 26356260285 - 2¹² = 26356256189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 585694673 = 26356260285 / (2 + 6 + 3 + 5 + 6 + 2 + 6 + 0 + 2 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26356260285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26356260289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292847292 + ... + 292847381.

It is an arithmetic number, because the mean of its divisors is an integer number (3807015381).

Almost surely, 2^26356260285 is an apocalyptic number.

It is an amenable number.

26356260285 is a deficient number, since it is larger than the sum of its proper divisors (19327924287).

26356260285 is a wasteful number, since it uses less digits than its factorization.

26356260285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585694684 (or 585694681 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 26356260285 in words is "twenty-six billion, three hundred fifty-six million, two hundred sixty thousand, two hundred eighty-five".