30018910488 has 128 divisors (see below), whose sum is σ = 91750579200. Its totient is φ = 7989018624.

The previous prime is 30018910469. The next prime is 30018910501. The reversal of 30018910488 is 88401981003.

It is a super-2 number, since 2×30018910488² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 222853 + ... + 331211.

It is an arithmetic number, because the mean of its divisors is an integer number (716801400).

Almost surely, 2^30018910488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30018910488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45875289600).

30018910488 is an abundant number, since it is smaller than the sum of its proper divisors (61731668712).

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

30018910488 is a wasteful number, since it uses less digits than its factorization.

30018910488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108489 (or 108485 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

It can be divided in two parts, 30018 and 910488, that added together give a triangular number (940506 = T₁₃₇₁).

The spelling of 30018910488 in words is "thirty billion, eighteen million, nine hundred ten thousand, four hundred eighty-eight".