30048175920 has 240 divisors, whose sum is σ = 114732129888. Its totient is φ = 6464102400.

The previous prime is 30048175909. The next prime is 30048175939. The reversal of 30048175920 is 2957184003.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×30048175920² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124770 + ... + 275070.

Almost surely, 2^30048175920 is an apocalyptic number.

30048175920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30048175920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57366064944).

30048175920 is an abundant number, since it is smaller than the sum of its proper divisors (84683953968).

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

30048175920 is a wasteful number, since it uses less digits than its factorization.

30048175920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150348 (or 150335 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 30048175920 in words is "thirty billion, forty-eight million, one hundred seventy-five thousand, nine hundred twenty".