305032044 has 12 divisors (see below), whose sum is σ = 711741464. Its totient is φ = 101677344.

The previous prime is 305032009. The next prime is 305032051. The reversal of 305032044 is 440230503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 305032044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12709657 + ... + 12709680.

Almost surely, 2^305032044 is an apocalyptic number.

It is an amenable number.

305032044 is an abundant number, since it is smaller than the sum of its proper divisors (406709420).

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

305032044 is a wasteful number, since it uses less digits than its factorization.

305032044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25419344 (or 25419342 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 305032044 is about 17465.1665895290. The cubic root of 305032044 is about 673.1551224828.

Adding to 305032044 its reverse (440230503), we get a palindrome (745262547).

The spelling of 305032044 in words is "three hundred five million, thirty-two thousand, forty-four".