30256730496 has 128 divisors (see below), whose sum is σ = 90303660000. Its totient is φ = 9972154368.

The previous prime is 30256730477. The next prime is 30256730507. The reversal of 30256730496 is 69403765203.

30256730496 is a `hidden beast` number, since 3 + 0 + 256 + 7 + 304 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258400 + ... + 356768.

Almost surely, 2^30256730496 is an apocalyptic number.

30256730496 is a gapful number since it is divisible by the number (36) 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 30256730496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45151830000).

30256730496 is an abundant number, since it is smaller than the sum of its proper divisors (60046929504).

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

30256730496 is an equidigital number, since it uses as much as digits as its factorization.

30256730496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98481 (or 98463 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 30256730496 in words is "thirty billion, two hundred fifty-six million, seven hundred thirty thousand, four hundred ninety-six".