30040433421 has 8 divisors (see below), whose sum is σ = 40055534400. Its totient is φ = 20026144032.

The previous prime is 30040433407. The next prime is 30040433477. The reversal of 30040433421 is 12433404003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30040433421 - 2¹⁰ = 30040432397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30040433391 and 30040433400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040433221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110521 + ... + 268878.

It is an arithmetic number, because the mean of its divisors is an integer number (5006941800).

Almost surely, 2^30040433421 is an apocalyptic number.

It is an amenable number.

30040433421 is a deficient number, since it is larger than the sum of its proper divisors (10015100979).

30040433421 is a wasteful number, since it uses less digits than its factorization.

30040433421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405795.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30040433421 its reverse (12433404003), we get a palindrome (42473837424).

The spelling of 30040433421 in words is "thirty billion, forty million, four hundred thirty-three thousand, four hundred twenty-one".