26531264240874 has 24 divisors (see below), whose sum is σ = 57580373167200. Its totient is φ = 8828990545128.

The previous prime is 26531264240869. The next prime is 26531264240893. The reversal of 26531264240874 is 47804246213562.

It is a happy number.

26531264240874 is a `hidden beast` number, since 2 + 6 + 5 + 3 + 126 + 42 + 408 + 74 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 26531264240874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1230339072 + ... + 1230360635.

It is an arithmetic number, because the mean of its divisors is an integer number (2399182215300).

Almost surely, 2^{26531264240874} is an apocalyptic number.

26531264240874 is an abundant number, since it is smaller than the sum of its proper divisors (31049108926326).

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

26531264240874 is a wasteful number, since it uses less digits than its factorization.

26531264240874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460700314 (or 2460700311 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 26531264240874 in words is "twenty-six trillion, five hundred thirty-one billion, two hundred sixty-four million, two hundred forty thousand, eight hundred seventy-four".