27326646644 has 12 divisors (see below), whose sum is σ = 52169052768. Its totient is φ = 12421203000.

The previous prime is 27326646631. The next prime is 27326646649. The reversal of 27326646644 is 44664662372.

It is a junction number, because it is equal to n+sod(n) for n = 27326646592 and 27326646601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27326646649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310530032 + ... + 310530119.

It is an arithmetic number, because the mean of its divisors is an integer number (4347421064).

Almost surely, 2^27326646644 is an apocalyptic number.

It is an amenable number.

27326646644 is a deficient number, since it is larger than the sum of its proper divisors (24842406124).

27326646644 is a wasteful number, since it uses less digits than its factorization.

27326646644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621060166 (or 621060164 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 50.

The spelling of 27326646644 in words is "twenty-seven billion, three hundred twenty-six million, six hundred forty-six thousand, six hundred forty-four".