242320404 has 24 divisors (see below), whose sum is σ = 584912160. Its totient is φ = 77988064.

The previous prime is 242320369. The next prime is 242320411. The reversal of 242320404 is 404023242.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347814 + ... + 348509.

It is an arithmetic number, because the mean of its divisors is an integer number (24371340).

Almost surely, 2^242320404 is an apocalyptic number.

It is an amenable number.

242320404 is an abundant number, since it is smaller than the sum of its proper divisors (342591756).

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

242320404 is a wasteful number, since it uses less digits than its factorization.

242320404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696359 (or 696357 counting only the distinct ones).

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

The square root of 242320404 is about 15566.6439543018. The cubic root of 242320404 is about 623.4428685149.

Adding to 242320404 its reverse (404023242), we get a palindrome (646343646).

The spelling of 242320404 in words is "two hundred forty-two million, three hundred twenty thousand, four hundred four".