26921456496 has 180 divisors, whose sum is σ = 87687106416. Its totient is φ = 7678049280.

The previous prime is 26921456491. The next prime is 26921456503. The reversal of 26921456496 is 69465412962.

26921456496 is a `hidden beast` number, since 2 + 6 + 9 + 2 + 145 + 6 + 496 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26921456491) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 250765 + ... + 341651.

Almost surely, 2^26921456496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26921456496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43843553208).

26921456496 is an abundant number, since it is smaller than the sum of its proper divisors (60765649920).

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

26921456496 is a wasteful number, since it uses less digits than its factorization.

26921456496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90940 (or 90920 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 26921456496 in words is "twenty-six billion, nine hundred twenty-one million, four hundred fifty-six thousand, four hundred ninety-six".