26194679668892 has 48 divisors (see below), whose sum is σ = 52414448163840. Its totient is φ = 11220916308672.

The previous prime is 26194679668891. The next prime is 26194679668939. The reversal of 26194679668892 is 29886697649162.

It is a super-2 number, since 2×26194679668892² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26194679668892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26194679668891) 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 15 ways as a sum of consecutive naturals, for example, 669595709 + ... + 669634827.

It is an arithmetic number, because the mean of its divisors is an integer number (1091967670080).

Almost surely, 2^{26194679668892} is an apocalyptic number.

It is an amenable number.

26194679668892 is an abundant number, since it is smaller than the sum of its proper divisors (26219768494948).

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

26194679668892 is a wasteful number, since it uses less digits than its factorization.

26194679668892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49970 (or 49968 counting only the distinct ones).

The product of its digits is 6772211712, while the sum is 83.

The spelling of 26194679668892 in words is "twenty-six trillion, one hundred ninety-four billion, six hundred seventy-nine million, six hundred sixty-eight thousand, eight hundred ninety-two".