27640410242 has 8 divisors (see below), whose sum is σ = 41463862416. Its totient is φ = 13819122772.

The previous prime is 27640410233. The next prime is 27640410283. The reversal of 27640410242 is 24201404672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 27640410199 and 27640410208.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 508868 + ... + 560559.

It is an arithmetic number, because the mean of its divisors is an integer number (5182982802).

Almost surely, 2^27640410242 is an apocalyptic number.

27640410242 is a deficient number, since it is larger than the sum of its proper divisors (13823452174).

27640410242 is a wasteful number, since it uses less digits than its factorization.

27640410242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082352.

The product of its (nonzero) digits is 21504, while the sum is 32.

The spelling of 27640410242 in words is "twenty-seven billion, six hundred forty million, four hundred ten thousand, two hundred forty-two".