30430234040 has 32 divisors (see below), whose sum is σ = 68846319360. Its totient is φ = 12104841600.

The previous prime is 30430234013. The next prime is 30430234099. The reversal of 30430234040 is 4043203403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30430233997 and 30430234015.

It is a congruent number.

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, 2094296 + ... + 2108775.

It is an arithmetic number, because the mean of its divisors is an integer number (2151447480).

Almost surely, 2^30430234040 is an apocalyptic number.

It is an amenable number.

30430234040 is an abundant number, since it is smaller than the sum of its proper divisors (38416085320).

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

30430234040 is a wasteful number, since it uses less digits than its factorization.

30430234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203263 (or 4203259 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 30430234040 its reverse (4043203403), we get a palindrome (34473437443).

The spelling of 30430234040 in words is "thirty billion, four hundred thirty million, two hundred thirty-four thousand, forty".