25740674264774 has 16 divisors (see below), whose sum is σ = 45648486381600. Its totient is φ = 10651313488704.

The previous prime is 25740674264741. The next prime is 25740674264779. The reversal of 25740674264774 is 47746247604752.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25740674264774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25740674264779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31700337359 + ... + 31700338170.

It is an arithmetic number, because the mean of its divisors is an integer number (2853030398850).

Almost surely, 2^{25740674264774} is an apocalyptic number.

25740674264774 is a deficient number, since it is larger than the sum of its proper divisors (19907812116826).

25740674264774 is a wasteful number, since it uses less digits than its factorization.

25740674264774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63400675567.

The product of its (nonzero) digits is 442552320, while the sum is 65.

The spelling of 25740674264774 in words is "twenty-five trillion, seven hundred forty billion, six hundred seventy-four million, two hundred sixty-four thousand, seven hundred seventy-four".