27365307440 has 20 divisors (see below), whose sum is σ = 63624339984. Its totient is φ = 10946122944.

The previous prime is 27365307421. The next prime is 27365307449. The reversal of 27365307440 is 4470356372.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (27365307449) 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, 171033092 + ... + 171033251.

Almost surely, 2^27365307440 is an apocalyptic number.

27365307440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27365307440 is an abundant number, since it is smaller than the sum of its proper divisors (36259032544).

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

27365307440 is a wasteful number, since it uses less digits than its factorization.

27365307440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342066356 (or 342066350 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 27365307440 in words is "twenty-seven billion, three hundred sixty-five million, three hundred seven thousand, four hundred forty".