30421304444 has 12 divisors (see below), whose sum is σ = 53302132968. Its totient is φ = 15192123600.

The previous prime is 30421304399. The next prime is 30421304447. The reversal of 30421304444 is 44440312403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421304447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4628462 + ... + 4635029.

It is an arithmetic number, because the mean of its divisors is an integer number (4441844414).

Almost surely, 2^30421304444 is an apocalyptic number.

It is an amenable number.

30421304444 is a deficient number, since it is larger than the sum of its proper divisors (22880828524).

30421304444 is a wasteful number, since it uses less digits than its factorization.

30421304444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264316 (or 9264314 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 30421304444 its reverse (44440312403), we get a palindrome (74861616847).

The spelling of 30421304444 in words is "thirty billion, four hundred twenty-one million, three hundred four thousand, four hundred forty-four".