27408640462 has 32 divisors (see below), whose sum is σ = 47707172352. Its totient is φ = 11566472544.

The previous prime is 27408640451. The next prime is 27408640463. The reversal of 27408640462 is 26404680472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27408640463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3159543 + ... + 3168205.

It is an arithmetic number, because the mean of its divisors is an integer number (1490849136).

Almost surely, 2^27408640462 is an apocalyptic number.

27408640462 is a deficient number, since it is larger than the sum of its proper divisors (20298531890).

27408640462 is a wasteful number, since it uses less digits than its factorization.

27408640462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12112.

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 27408640462 in words is "twenty-seven billion, four hundred eight million, six hundred forty thousand, four hundred sixty-two".