30450823680 has 80 divisors (see below), whose sum is σ = 97347501504. Its totient is φ = 8120217600.

The previous prime is 30450823639. The next prime is 30450823699. The reversal of 30450823680 is 8632805403.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974796 + ... + 1990155.

Almost surely, 2^30450823680 is an apocalyptic number.

30450823680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30450823680 is an abundant number, since it is smaller than the sum of its proper divisors (66896677824).

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

30450823680 is an equidigital number, since it uses as much as digits as its factorization.

30450823680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964977 (or 3964961 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 30450823680 in words is "thirty billion, four hundred fifty million, eight hundred twenty-three thousand, six hundred eighty".