304055040 has 72 divisors (see below), whose sum is σ = 971088048. Its totient is φ = 81080320.

The previous prime is 304055039. The next prime is 304055051. The reversal of 304055040 is 40550403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 304054998 and 304055016.

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, 35751 + ... + 43430.

It is an arithmetic number, because the mean of its divisors is an integer number (13487334).

Almost surely, 2^304055040 is an apocalyptic number.

304055040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304055040 is an abundant number, since it is smaller than the sum of its proper divisors (667033008).

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

304055040 is an equidigital number, since it uses as much as digits as its factorization.

304055040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79205 (or 79191 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 304055040 is about 17437.1740829757. The cubic root of 304055040 is about 672.4356585440.

The spelling of 304055040 in words is "three hundred four million, fifty-five thousand, forty".