304445472 has 48 divisors (see below), whose sum is σ = 820778112. Its totient is φ = 98737920.

The previous prime is 304445447. The next prime is 304445473. The reversal of 304445472 is 274544403.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (304445473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39304 + ... + 46407.

It is an arithmetic number, because the mean of its divisors is an integer number (17099544).

Almost surely, 2^304445472 is an apocalyptic number.

304445472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

304445472 is an abundant number, since it is smaller than the sum of its proper divisors (516332640).

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

304445472 is a wasteful number, since it uses less digits than its factorization.

304445472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85761 (or 85753 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 33.

The square root of 304445472 is about 17448.3658833714. The cubic root of 304445472 is about 672.7233565702.

Adding to 304445472 its reverse (274544403), we get a palindrome (578989875).

It can be divided in two parts, 3044 and 45472, that added together give a triangular number (48516 = T₃₁₁).

The spelling of 304445472 in words is "three hundred four million, four hundred forty-five thousand, four hundred seventy-two".