30117856848 has 40 divisors (see below), whose sum is σ = 77810707296. Its totient is φ = 10038480000.

The previous prime is 30117856841. The next prime is 30117856871. The reversal of 30117856848 is 84865871103.

It is a happy number.

It is a super-2 number, since 2×30117856848² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30117856848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30117856841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073398 + ... + 1101098.

Almost surely, 2^30117856848 is an apocalyptic number.

It is an amenable number.

30117856848 is an abundant number, since it is smaller than the sum of its proper divisors (47692850448).

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

30117856848 is a wasteful number, since it uses less digits than its factorization.

30117856848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50363 (or 50357 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 30117856848 in words is "thirty billion, one hundred seventeen million, eight hundred fifty-six thousand, eight hundred forty-eight".