242403213244 has 24 divisors (see below), whose sum is σ = 430262921088. Its totient is φ = 119471605680.

The previous prime is 242403213233. The next prime is 242403213259. The reversal of 242403213244 is 442312304242.

It is a super-2 number, since 2×242403213244² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450687 + ... + 1609129.

It is an arithmetic number, because the mean of its divisors is an integer number (17927621712).

Almost surely, 2^242403213244 is an apocalyptic number.

It is an amenable number.

242403213244 is a deficient number, since it is larger than the sum of its proper divisors (187859707844).

242403213244 is a wasteful number, since it uses less digits than its factorization.

242403213244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163905 (or 163903 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 242403213244 its reverse (442312304242), we get a palindrome (684715517486).

The spelling of 242403213244 in words is "two hundred forty-two billion, four hundred three million, two hundred thirteen thousand, two hundred forty-four".