27233843221840 has 80 divisors (see below), whose sum is σ = 66467311319808. Its totient is φ = 10357510473728.

The previous prime is 27233843221813. The next prime is 27233843221967. The reversal of 27233843221840 is 4812234833272.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×27233843221840² (a number of 28 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 in 15 ways as a sum of consecutive naturals, for example, 44007097 + ... + 44621656.

Almost surely, 2^{27233843221840} is an apocalyptic number.

27233843221840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27233843221840 is an abundant number, since it is smaller than the sum of its proper divisors (39233468097968).

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

27233843221840 is a wasteful number, since it uses less digits than its factorization.

27233843221840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88628956 (or 88628950 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 49.

The spelling of 27233843221840 in words is "twenty-seven trillion, two hundred thirty-three billion, eight hundred forty-three million, two hundred twenty-one thousand, eight hundred forty".