27990496514 has 16 divisors (see below), whose sum is σ = 42445328640. Its totient is φ = 13842504720.

The previous prime is 27990496511. The next prime is 27990496543. The reversal of 27990496514 is 41569409972.

It is a self number, because there is not a number n which added to its sum of digits gives 27990496514.

It is not an unprimeable number, because it can be changed into a prime (27990496511) 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 7 ways as a sum of consecutive naturals, for example, 12047 + ... + 236909.

It is an arithmetic number, because the mean of its divisors is an integer number (2652833040).

Almost surely, 2^27990496514 is an apocalyptic number.

27990496514 is a deficient number, since it is larger than the sum of its proper divisors (14454832126).

27990496514 is a wasteful number, since it uses less digits than its factorization.

27990496514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225545.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 27990496514 in words is "twenty-seven billion, nine hundred ninety million, four hundred ninety-six thousand, five hundred fourteen".