30855043500 has 48 divisors (see below), whose sum is σ = 89849891040. Its totient is φ = 8228011200.

The previous prime is 30855043481. The next prime is 30855043507. The reversal of 30855043500 is 534055803.

It is not an unprimeable number, because it can be changed into a prime (30855043507) 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, 10283515 + ... + 10286514.

It is an arithmetic number, because the mean of its divisors is an integer number (1871872730).

Almost surely, 2^30855043500 is an apocalyptic number.

30855043500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30855043500 is an abundant number, since it is smaller than the sum of its proper divisors (58994847540).

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

30855043500 is a wasteful number, since it uses less digits than its factorization.

30855043500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20570051 (or 20570039 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 30855043500 in words is "thirty billion, eight hundred fifty-five million, forty-three thousand, five hundred".