304155155420 has 24 divisors (see below), whose sum is σ = 638927895984. Its totient is φ = 121623572736.

The previous prime is 304155155417. The next prime is 304155155431. The reversal of 304155155420 is 24551551403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340749 + ... + 2467268.

It is an arithmetic number, because the mean of its divisors is an integer number (26621995666).

Almost surely, 2^304155155420 is an apocalyptic number.

It is an amenable number.

304155155420 is an abundant number, since it is smaller than the sum of its proper divisors (334772740564).

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

304155155420 is a wasteful number, since it uses less digits than its factorization.

304155155420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811189 (or 4811187 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 304155155420 in words is "three hundred four billion, one hundred fifty-five million, one hundred fifty-five thousand, four hundred twenty".