27426443136 has 32 divisors (see below), whose sum is σ = 72851490600. Its totient is φ = 9142147584.

The previous prime is 27426443131. The next prime is 27426443167. The reversal of 27426443136 is 63134462472.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27426443131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35711131 + ... + 35711898.

Almost surely, 2^27426443136 is an apocalyptic number.

It is an amenable number.

27426443136 is an abundant number, since it is smaller than the sum of its proper divisors (45425047464).

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

27426443136 is an equidigital number, since it uses as much as digits as its factorization.

27426443136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71423046 (or 71423034 counting only the distinct ones).

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

The spelling of 27426443136 in words is "twenty-seven billion, four hundred twenty-six million, four hundred forty-three thousand, one hundred thirty-six".