27420562449 has 32 divisors (see below), whose sum is σ = 46572906240. Its totient is φ = 15619430016.

The previous prime is 27420562427. The next prime is 27420562483. The reversal of 27420562449 is 94426502472.

27420562449 is a `hidden beast` number, since 2 + 7 + 42 + 0 + 562 + 4 + 49 = 666.

It is not a de Polignac number, because 27420562449 - 2⁹ = 27420561937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27420562409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168924 + ... + 288749.

It is an arithmetic number, because the mean of its divisors is an integer number (1455403320).

Almost surely, 2^27420562449 is an apocalyptic number.

It is an amenable number.

27420562449 is a deficient number, since it is larger than the sum of its proper divisors (19152343791).

27420562449 is a wasteful number, since it uses less digits than its factorization.

27420562449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458006 (or 458000 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 27420562449 in words is "twenty-seven billion, four hundred twenty million, five hundred sixty-two thousand, four hundred forty-nine".