26271919956 has 24 divisors (see below), whose sum is σ = 61555514944. Its totient is φ = 8720968320.

The previous prime is 26271919939. The next prime is 26271919979. The reversal of 26271919956 is 65991917262.

It is a junction number, because it is equal to n+sod(n) for n = 26271919896 and 26271919905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4539280 + ... + 4545063.

Almost surely, 2^26271919956 is an apocalyptic number.

It is an amenable number.

26271919956 is an abundant number, since it is smaller than the sum of its proper divisors (35283594988).

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

26271919956 is a wasteful number, since it uses less digits than its factorization.

26271919956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084591 (or 9084589 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 57.

The spelling of 26271919956 in words is "twenty-six billion, two hundred seventy-one million, nine hundred nineteen thousand, nine hundred fifty-six".