304040442 has 16 divisors (see below), whose sum is σ = 610039872. Its totient is φ = 101020320.

The previous prime is 304040441. The next prime is 304040449. The reversal of 304040442 is 244040403.

It is not an unprimeable number, because it can be changed into a prime (304040441) 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, 79603 + ... + 83334.

It is an arithmetic number, because the mean of its divisors is an integer number (38127492).

Almost surely, 2^304040442 is an apocalyptic number.

304040442 is an abundant number, since it is smaller than the sum of its proper divisors (305999430).

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

304040442 is a wasteful number, since it uses less digits than its factorization.

304040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163253.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 304040442 is about 17436.7554894826. The cubic root of 304040442 is about 672.4248969257.

Adding to 304040442 its reverse (244040403), we get a palindrome (548080845).

The spelling of 304040442 in words is "three hundred four million, forty thousand, four hundred forty-two".