305500028004 has 60 divisors (see below), whose sum is σ = 800457011200. Its totient is φ = 101601328752.

The previous prime is 305500027969. The next prime is 305500028021. The reversal of 305500028004 is 400820005503.

305500028004 is a `hidden beast` number, since 30 + 550 + 0 + 0 + 2 + 80 + 0 + 4 = 666.

It is a super-2 number, since 2×305500028004² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 931684 + ... + 1216155.

Almost surely, 2^305500028004 is an apocalyptic number.

It is an amenable number.

305500028004 is an abundant number, since it is smaller than the sum of its proper divisors (494956983196).

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

305500028004 is a wasteful number, since it uses less digits than its factorization.

305500028004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148294 (or 2148283 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 305500028004 in words is "three hundred five billion, five hundred million, twenty-eight thousand, four".