30389446432 has 48 divisors (see below), whose sum is σ = 63371421792. Its totient is φ = 14295761920.

The previous prime is 30389446403. The next prime is 30389446457. The reversal of 30389446432 is 23464498303.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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, 1799307 + ... + 1816117.

It is an arithmetic number, because the mean of its divisors is an integer number (1320237954).

Almost surely, 2^30389446432 is an apocalyptic number.

30389446432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30389446432 is an abundant number, since it is smaller than the sum of its proper divisors (32981975360).

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

30389446432 is a wasteful number, since it uses less digits than its factorization.

30389446432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20161 (or 20153 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 30389446432 in words is "thirty billion, three hundred eighty-nine million, four hundred forty-six thousand, four hundred thirty-two".