27305540409 has 16 divisors (see below), whose sum is σ = 41646200832. Its totient is φ = 15589006608.

The previous prime is 27305540401. The next prime is 27305540413. The reversal of 27305540409 is 90404550372.

It is not a de Polignac number, because 27305540409 - 2³ = 27305540401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27305540401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566259 + ... + 612584.

It is an arithmetic number, because the mean of its divisors is an integer number (2602887552).

Almost surely, 2^27305540409 is an apocalyptic number.

It is an amenable number.

27305540409 is a deficient number, since it is larger than the sum of its proper divisors (14340660423).

27305540409 is a wasteful number, since it uses less digits than its factorization.

27305540409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179956.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 27305540409 in words is "twenty-seven billion, three hundred five million, five hundred forty thousand, four hundred nine".