30421402404 has 96 divisors (see below), whose sum is σ = 74860329600. Its totient is φ = 9602073600.

The previous prime is 30421402381. The next prime is 30421402411. The reversal of 30421402404 is 40420412403.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3756792 + ... + 3764880.

It is an arithmetic number, because the mean of its divisors is an integer number (779795100).

Almost surely, 2^30421402404 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 30421402404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37430164800).

30421402404 is an abundant number, since it is smaller than the sum of its proper divisors (44438927196).

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

30421402404 is a wasteful number, since it uses less digits than its factorization.

30421402404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333 (or 8331 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 30421402404 its reverse (40420412403), we get a palindrome (70841814807).

Subtracting 30421402404 from its reverse (40420412403), we obtain a palindrome (9999009999).

The spelling of 30421402404 in words is "thirty billion, four hundred twenty-one million, four hundred two thousand, four hundred four".