30555249988 has 48 divisors (see below), whose sum is σ = 56875452480. Its totient is φ = 14322272256.

The previous prime is 30555249953. The next prime is 30555249997. The reversal of 30555249988 is 88994255503.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10545756 + ... + 10548652.

It is an arithmetic number, because the mean of its divisors is an integer number (1184905260).

Almost surely, 2^30555249988 is an apocalyptic number.

30555249988 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30555249988 is a deficient number, since it is larger than the sum of its proper divisors (26320202492).

30555249988 is a wasteful number, since it uses less digits than its factorization.

30555249988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324 (or 4322 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 58.

The spelling of 30555249988 in words is "thirty billion, five hundred fifty-five million, two hundred forty-nine thousand, nine hundred eighty-eight".