30304493856 has 144 divisors (see below), whose sum is σ = 106065820224. Its totient is φ = 7992387072.

The previous prime is 30304493839. The next prime is 30304493867. The reversal of 30304493856 is 65839440303.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 551946 + ... + 604361.

It is an arithmetic number, because the mean of its divisors is an integer number (736568196).

Almost surely, 2^30304493856 is an apocalyptic number.

30304493856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30304493856 is an abundant number, since it is smaller than the sum of its proper divisors (75761326368).

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

30304493856 is a wasteful number, since it uses less digits than its factorization.

30304493856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156343 (or 1156332 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

It can be divided in two parts, 303044 and 93856, that added together give a square (396900 = 630²).

The spelling of 30304493856 in words is "thirty billion, three hundred four million, four hundred ninety-three thousand, eight hundred fifty-six".