304040664 has 48 divisors (see below), whose sum is σ = 833882400. Its totient is φ = 100062144.

The previous prime is 304040663. The next prime is 304040683. The reversal of 304040664 is 466040403.

It is a happy number.

It is a super-4 number, since 4×304040664⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304040663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21039 + ... + 32414.

It is an arithmetic number, because the mean of its divisors is an integer number (17372550).

Almost surely, 2^304040664 is an apocalyptic number.

It is an amenable number.

304040664 is an abundant number, since it is smaller than the sum of its proper divisors (529841736).

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

304040664 is a wasteful number, since it uses less digits than its factorization.

304040664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53544 (or 53537 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 304040664 is about 17436.7618553446. The cubic root of 304040664 is about 672.4250605863.

It can be divided in two parts, 304040 and 664, that added together give a square (304704 = 552²).

The spelling of 304040664 in words is "three hundred four million, forty thousand, six hundred sixty-four".