30432144320 has 28 divisors (see below), whose sum is σ = 72466544424. Its totient is φ = 12172857600.

The previous prime is 30432144317. The next prime is 30432144367. The reversal of 30432144320 is 2344123403.

It is a super-2 number, since 2×30432144320² (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 30432144320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47549906 + ... + 47550545.

Almost surely, 2^30432144320 is an apocalyptic number.

It is an amenable number.

30432144320 is an abundant number, since it is smaller than the sum of its proper divisors (42034400104).

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

30432144320 is an equidigital number, since it uses as much as digits as its factorization.

30432144320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95100468 (or 95100458 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30432144320 its reverse (2344123403), we get a palindrome (32776267723).

The spelling of 30432144320 in words is "thirty billion, four hundred thirty-two million, one hundred forty-four thousand, three hundred twenty".