30401320404 has 48 divisors (see below), whose sum is σ = 87306359168. Its totient is φ = 8017930368.

The previous prime is 30401320399. The next prime is 30401320421. The reversal of 30401320404 is 40402310403.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13918927 + ... + 13921110.

Almost surely, 2^30401320404 is an apocalyptic number.

It is an amenable number.

30401320404 is an abundant number, since it is smaller than the sum of its proper divisors (56905038764).

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

30401320404 is a wasteful number, since it uses less digits than its factorization.

30401320404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27840064 (or 27840062 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30401320404 its reverse (40402310403), we get a palindrome (70803630807).

The spelling of 30401320404 in words is "thirty billion, four hundred one million, three hundred twenty thousand, four hundred four".