30204040057 has 2 divisors, whose sum is σ = 30204040058. Its totient is φ = 30204040056.

The previous prime is 30204040019. The next prime is 30204040121. The reversal of 30204040057 is 75004040203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27243483136 + 2960556921 = 165056^2 + 54411^2 .

It is an emirp because it is prime and its reverse (75004040203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30204040057 is a prime.

It is not a weakly prime, because it can be changed into another prime (30204040007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15102020028 + 15102020029.

It is an arithmetic number, because the mean of its divisors is an integer number (15102020029).

Almost surely, 2^30204040057 is an apocalyptic number.

It is an amenable number.

30204040057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30204040057 is an equidigital number, since it uses as much as digits as its factorization.

30204040057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 25.

The spelling of 30204040057 in words is "thirty billion, two hundred four million, forty thousand, fifty-seven".