30442840384 has 112 divisors (see below), whose sum is σ = 67065241536. Its totient is φ = 13594521600.

The previous prime is 30442840367. The next prime is 30442840387. The reversal of 30442840384 is 48304824403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30442840387) by changing a digit.

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, 25517292 + ... + 25518484.

Almost surely, 2^30442840384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30442840384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33532620768).

30442840384 is an abundant number, since it is smaller than the sum of its proper divisors (36622401152).

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

30442840384 is a wasteful number, since it uses less digits than its factorization.

30442840384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 30442840384 in words is "thirty billion, four hundred forty-two million, eight hundred forty thousand, three hundred eighty-four".