27702040642 has 16 divisors (see below), whose sum is σ = 41788219392. Its totient is φ = 13772695680.

The previous prime is 27702040633. The next prime is 27702040643. The reversal of 27702040642 is 24604020772.

It is a junction number, because it is equal to n+sod(n) for n = 27702040598 and 27702040607.

It is not an unprimeable number, because it can be changed into a prime (27702040643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976543 + ... + 1004509.

It is an arithmetic number, because the mean of its divisors is an integer number (2611763712).

Almost surely, 2^27702040642 is an apocalyptic number.

27702040642 is a deficient number, since it is larger than the sum of its proper divisors (14086178750).

27702040642 is a wasteful number, since it uses less digits than its factorization.

27702040642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30753.

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 27702040642 in words is "twenty-seven billion, seven hundred two million, forty thousand, six hundred forty-two".