30238429944 has 128 divisors (see below), whose sum is σ = 79257600000. Its totient is φ = 9602236800.

The previous prime is 30238429933. The next prime is 30238429999. The reversal of 30238429944 is 44992483203.

It is a junction number, because it is equal to n+sod(n) for n = 30238429893 and 30238429902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29328709 + ... + 29329739.

It is an arithmetic number, because the mean of its divisors is an integer number (619200000).

Almost surely, 2^30238429944 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 30238429944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39628800000).

30238429944 is an abundant number, since it is smaller than the sum of its proper divisors (49019170056).

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

30238429944 is a wasteful number, since it uses less digits than its factorization.

30238429944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 30238429944 in words is "thirty billion, two hundred thirty-eight million, four hundred twenty-nine thousand, nine hundred forty-four".