30495817158 has 32 divisors (see below), whose sum is σ = 63893491200. Its totient is φ = 9690504096.

The previous prime is 30495817153. The next prime is 30495817199. The reversal of 30495817158 is 85171859403.

It is a self number, because there is not a number n which added to its sum of digits gives 30495817158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30495817153) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1095516 + ... + 1123007.

It is an arithmetic number, because the mean of its divisors is an integer number (1996671600).

Almost surely, 2^30495817158 is an apocalyptic number.

30495817158 is an abundant number, since it is smaller than the sum of its proper divisors (33397674042).

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

30495817158 is a wasteful number, since it uses less digits than its factorization.

30495817158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218636.

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 30495817158 in words is "thirty billion, four hundred ninety-five million, eight hundred seventeen thousand, one hundred fifty-eight".