30432243320 has 96 divisors (see below), whose sum is σ = 72949831200. Its totient is φ = 11423373312.

The previous prime is 30432243311. The next prime is 30432243353. The reversal of 30432243320 is 2334223403.

It is a super-2 number, since 2×30432243320² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30432243320.

It is a congruent number.

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, 4146374 + ... + 4153706.

It is an arithmetic number, because the mean of its divisors is an integer number (759894075).

Almost surely, 2^30432243320 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 30432243320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36474915600).

30432243320 is an abundant number, since it is smaller than the sum of its proper divisors (42517587880).

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

30432243320 is a wasteful number, since it uses less digits than its factorization.

30432243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737 (or 7716 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 30432243320 its reverse (2334223403), we get a palindrome (32766466723).

The spelling of 30432243320 in words is "thirty billion, four hundred thirty-two million, two hundred forty-three thousand, three hundred twenty".