27143663244 has 24 divisors (see below), whose sum is σ = 63339429888. Its totient is φ = 9047285520.

The previous prime is 27143663237. The next prime is 27143663293. The reversal of 27143663244 is 44236634172.

It is a junction number, because it is equal to n+sod(n) for n = 27143663196 and 27143663205.

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, 136309 + ... + 269939.

It is an arithmetic number, because the mean of its divisors is an integer number (2639142912).

Almost surely, 2^27143663244 is an apocalyptic number.

It is an amenable number.

27143663244 is an abundant number, since it is smaller than the sum of its proper divisors (36195766644).

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

27143663244 is a wasteful number, since it uses less digits than its factorization.

27143663244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150565 (or 150563 counting only the distinct ones).

The product of its digits is 580608, while the sum is 42.

The spelling of 27143663244 in words is "twenty-seven billion, one hundred forty-three million, six hundred sixty-three thousand, two hundred forty-four".