27430026531312 has 40 divisors (see below), whose sum is σ = 70883277037056. Its totient is φ = 9140455059136.

The previous prime is 27430026531311. The next prime is 27430026531367. The reversal of 27430026531312 is 21313562003472.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27430026531311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90068838 + ... + 90372869.

Almost surely, 2^{27430026531312} is an apocalyptic number.

It is an amenable number.

27430026531312 is an abundant number, since it is smaller than the sum of its proper divisors (43453250505744).

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

27430026531312 is a wasteful number, since it uses less digits than its factorization.

27430026531312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180444885 (or 180444879 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

Adding to 27430026531312 its reverse (21313562003472), we get a palindrome (48743588534784).

The spelling of 27430026531312 in words is "twenty-seven trillion, four hundred thirty billion, twenty-six million, five hundred thirty-one thousand, three hundred twelve".