26971473567920 has 120 divisors (see below), whose sum is σ = 72969508657008. Its totient is φ = 9244487078400.

The previous prime is 26971473567911. The next prime is 26971473567977. The reversal of 26971473567920 is 2976537417962.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 11558255 + ... + 13694385.

Almost surely, 2^{26971473567920} is an apocalyptic number.

26971473567920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26971473567920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36484754328504).

26971473567920 is an abundant number, since it is smaller than the sum of its proper divisors (45998035089088).

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

26971473567920 is a wasteful number, since it uses less digits than its factorization.

26971473567920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139379 (or 2139366 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 68.

The spelling of 26971473567920 in words is "twenty-six trillion, nine hundred seventy-one billion, four hundred seventy-three million, five hundred sixty-seven thousand, nine hundred twenty".