27042321320 has 32 divisors (see below), whose sum is σ = 69537398400. Its totient is φ = 9271652928.

The previous prime is 27042321307. The next prime is 27042321353. The reversal of 27042321320 is 2312324072.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27042321320.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48289580 + ... + 48290139.

It is an arithmetic number, because the mean of its divisors is an integer number (2173043700).

Almost surely, 2^27042321320 is an apocalyptic number.

27042321320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27042321320 is an abundant number, since it is smaller than the sum of its proper divisors (42495077080).

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

27042321320 is a wasteful number, since it uses less digits than its factorization.

27042321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96579737 (or 96579733 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 27042321320 its reverse (2312324072), we get a palindrome (29354645392).

The spelling of 27042321320 in words is "twenty-seven billion, forty-two million, three hundred twenty-one thousand, three hundred twenty".