30449157618 has 16 divisors (see below), whose sum is σ = 66434525856. Its totient is φ = 9227017440.

The previous prime is 30449157601. The next prime is 30449157631. The reversal of 30449157618 is 81675194403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230675371 + ... + 230675502.

It is an arithmetic number, because the mean of its divisors is an integer number (4152157866).

Almost surely, 2^30449157618 is an apocalyptic number.

30449157618 is an abundant number, since it is smaller than the sum of its proper divisors (35985368238).

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

30449157618 is a wasteful number, since it uses less digits than its factorization.

30449157618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461350889.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 30449157618 in words is "thirty billion, four hundred forty-nine million, one hundred fifty-seven thousand, six hundred eighteen".