30042642771 has 16 divisors (see below), whose sum is σ = 46042365600. Its totient is φ = 19337792544.

The previous prime is 30042642761. The next prime is 30042642823. The reversal of 30042642771 is 17724624003.

30042642771 is a `hidden beast` number, since 3 + 0 + 0 + 4 + 2 + 642 + 7 + 7 + 1 = 666.

It is not a de Polignac number, because 30042642771 - 2⁵ = 30042642739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30042642761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19183536 + ... + 19185101.

It is an arithmetic number, because the mean of its divisors is an integer number (2877647850).

Almost surely, 2^30042642771 is an apocalyptic number.

30042642771 is a deficient number, since it is larger than the sum of its proper divisors (15999722829).

30042642771 is a wasteful number, since it uses less digits than its factorization.

30042642771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38368675 (or 38368669 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 30042642771 in words is "thirty billion, forty-two million, six hundred forty-two thousand, seven hundred seventy-one".