26074973268 has 18 divisors (see below), whose sum is σ = 65911738074. Its totient is φ = 8691657744.

The previous prime is 26074973263. The next prime is 26074973279. The reversal of 26074973268 is 86237947062.

26074973268 is a `hidden beast` number, since 2 + 60 + 7 + 497 + 32 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13623091524 + 12451881744 = 116718^2 + 111588^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26074973263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 362152371 + ... + 362152442.

Almost surely, 2^26074973268 is an apocalyptic number.

It is an amenable number.

26074973268 is an abundant number, since it is smaller than the sum of its proper divisors (39836764806).

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

26074973268 is a wasteful number, since it uses less digits than its factorization.

26074973268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724304823 (or 724304818 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 26074973268 in words is "twenty-six billion, seventy-four million, nine hundred seventy-three thousand, two hundred sixty-eight".