27143432046 has 16 divisors (see below), whose sum is σ = 60318738000. Its totient is φ = 9047810664.

The previous prime is 27143432039. The next prime is 27143432047. The reversal of 27143432046 is 64023434172.

27143432046 is a `hidden beast` number, since 271 + 4 + 343 + 2 + 0 + 46 = 666.

It is a super-2 number, since 2×27143432046² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27143432046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27143432047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251328021 + ... + 251328128.

It is an arithmetic number, because the mean of its divisors is an integer number (3769921125).

Almost surely, 2^27143432046 is an apocalyptic number.

27143432046 is an abundant number, since it is smaller than the sum of its proper divisors (33175305954).

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

27143432046 is a wasteful number, since it uses less digits than its factorization.

27143432046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502656160 (or 502656154 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The spelling of 27143432046 in words is "twenty-seven billion, one hundred forty-three million, four hundred thirty-two thousand, forty-six".