27404310465 has 48 divisors (see below), whose sum is σ = 56037835776. Its totient is φ = 12123561600.

The previous prime is 27404310421. The next prime is 27404310481. The reversal of 27404310465 is 56401340472.

It is not a de Polignac number, because 27404310465 - 2⁸ = 27404310209 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 1393426 + ... + 1412955.

It is an arithmetic number, because the mean of its divisors is an integer number (1167454912).

Almost surely, 2^27404310465 is an apocalyptic number.

It is an amenable number.

27404310465 is an abundant number, since it is smaller than the sum of its proper divisors (28633525311).

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

27404310465 is a wasteful number, since it uses less digits than its factorization.

27404310465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806430 (or 2806427 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 27404310465 in words is "twenty-seven billion, four hundred four million, three hundred ten thousand, four hundred sixty-five".