305103680 has 56 divisors (see below), whose sum is σ = 830323968. Its totient is φ = 104606208.

The previous prime is 305103677. The next prime is 305103697. The reversal of 305103680 is 86301503.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65864 + ... + 70343.

Almost surely, 2^305103680 is an apocalyptic number.

It is an amenable number.

305103680 is an abundant number, since it is smaller than the sum of its proper divisors (525220288).

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

305103680 is a wasteful number, since it uses less digits than its factorization.

305103680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136231 (or 136221 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 305103680 is about 17467.2172941199. The cubic root of 305103680 is about 673.2078146145.

The spelling of 305103680 in words is "three hundred five million, one hundred three thousand, six hundred eighty".