27400034455 has 4 divisors (see below), whose sum is σ = 32880041352. Its totient is φ = 21920027560.

The previous prime is 27400034447. The next prime is 27400034471. The reversal of 27400034455 is 55443000472.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27400034455 - 2³ = 27400034447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27400034455.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2740003441 + ... + 2740003450.

It is an arithmetic number, because the mean of its divisors is an integer number (8220010338).

Almost surely, 2^27400034455 is an apocalyptic number.

27400034455 is a deficient number, since it is larger than the sum of its proper divisors (5480006897).

27400034455 is an equidigital number, since it uses as much as digits as its factorization.

27400034455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480006896.

The product of its (nonzero) digits is 67200, while the sum is 34.

The spelling of 27400034455 in words is "twenty-seven billion, four hundred million, thirty-four thousand, four hundred fifty-five".