304042402 has 16 divisors (see below), whose sum is σ = 463570560. Its totient is φ = 149533488.

The previous prime is 304042381. The next prime is 304042439. The reversal of 304042402 is 204240403.

It is a self number, because there is not a number n which added to its sum of digits gives 304042402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40293 + ... + 47239.

It is an arithmetic number, because the mean of its divisors is an integer number (28973160).

Almost surely, 2^304042402 is an apocalyptic number.

304042402 is a deficient number, since it is larger than the sum of its proper divisors (159528158).

304042402 is a wasteful number, since it uses less digits than its factorization.

304042402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 304042402 is about 17436.8116925085. The cubic root of 304042402 is about 672.4263418541.

Adding to 304042402 its reverse (204240403), we get a palindrome (508282805).

The spelling of 304042402 in words is "three hundred four million, forty-two thousand, four hundred two".