30775068018 has 64 divisors (see below), whose sum is σ = 74470896000. Its totient is φ = 9383314752.

The previous prime is 30775067993. The next prime is 30775068019. The reversal of 30775068018 is 81086057703.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30775068019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487405 + ... + 546912.

It is an arithmetic number, because the mean of its divisors is an integer number (1163607750).

Almost surely, 2^30775068018 is an apocalyptic number.

30775068018 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

30775068018 is an abundant number, since it is smaller than the sum of its proper divisors (43695827982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30775068018 is a wasteful number, since it uses less digits than its factorization.

30775068018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034376 (or 1034370 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 30775068018 in words is "thirty billion, seven hundred seventy-five million, sixty-eight thousand, eighteen".