30255500000 has 168 divisors, whose sum is σ = 81239428872. Its totient is φ = 11000000000.

The previous prime is 30255499991. The next prime is 30255500069. The reversal of 30255500000 is 555203.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 27 ways as a sum of consecutive naturals, for example, 5497250 + ... + 5502750.

It is an arithmetic number, because the mean of its divisors is an integer number (483568029).

Almost surely, 2^30255500000 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 30255500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40619714436).

30255500000 is an abundant number, since it is smaller than the sum of its proper divisors (50983928872).

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

30255500000 is an frugal number, since it uses more digits than its factorization.

30255500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552 (or 5519 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The spelling of 30255500000 in words is "thirty billion, two hundred fifty-five million, five hundred thousand".