305011404 has 18 divisors (see below), whose sum is σ = 771001140. Its totient is φ = 101670456.

The previous prime is 305011391. The next prime is 305011429. The reversal of 305011404 is 404110503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4236234 + ... + 4236305.

Almost surely, 2^305011404 is an apocalyptic number.

It is an amenable number.

305011404 is an abundant number, since it is smaller than the sum of its proper divisors (465989736).

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

305011404 is a wasteful number, since it uses less digits than its factorization.

305011404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8472549 (or 8472544 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 305011404 is about 17464.5756890913. The cubic root of 305011404 is about 673.1399391216.

Adding to 305011404 its reverse (404110503), we get a palindrome (709121907).

Subtracting 305011404 from its reverse (404110503), we obtain a palindrome (99099099).

The spelling of 305011404 in words is "three hundred five million, eleven thousand, four hundred four".