242400442 has 16 divisors (see below), whose sum is σ = 387984960. Its totient is φ = 113247072.

The previous prime is 242400401. The next prime is 242400443. The reversal of 242400442 is 244004242.

242400442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (242400443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40918 + ... + 46465.

It is an arithmetic number, because the mean of its divisors is an integer number (24249060).

Almost surely, 2^242400442 is an apocalyptic number.

242400442 is a deficient number, since it is larger than the sum of its proper divisors (145584518).

242400442 is a wasteful number, since it uses less digits than its factorization.

242400442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87477.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 242400442 is about 15569.2145595081. The cubic root of 242400442 is about 623.5115016505.

Adding to 242400442 its reverse (244004242), we get a palindrome (486404684).

The spelling of 242400442 in words is "two hundred forty-two million, four hundred thousand, four hundred forty-two".