305003028028 has 12 divisors (see below), whose sum is σ = 535682215432. Its totient is φ = 151950966480.

The previous prime is 305003028019. The next prime is 305003028059. The reversal of 305003028028 is 820820300503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137635638 + ... + 137637853.

Almost surely, 2^305003028028 is an apocalyptic number.

It is an amenable number.

305003028028 is a deficient number, since it is larger than the sum of its proper divisors (230679187404).

305003028028 is a wasteful number, since it uses less digits than its factorization.

305003028028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275273772 (or 275273770 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 305003028028 in words is "three hundred five billion, three million, twenty-eight thousand, twenty-eight".