26194159256 has 8 divisors (see below), whose sum is σ = 49114048620. Its totient is φ = 13097079624.

The previous prime is 26194159219. The next prime is 26194159279. The reversal of 26194159256 is 65295149162.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×26194159256² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1637134946 + ... + 1637134961.

Almost surely, 2^26194159256 is an apocalyptic number.

It is an amenable number.

26194159256 is a deficient number, since it is larger than the sum of its proper divisors (22919889364).

26194159256 is a wasteful number, since it uses less digits than its factorization.

26194159256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274269913 (or 3274269909 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 50.

The spelling of 26194159256 in words is "twenty-six billion, one hundred ninety-four million, one hundred fifty-nine thousand, two hundred fifty-six".