242202246440 has 64 divisors (see below), whose sum is σ = 679424492160. Its totient is φ = 75491608320.

The previous prime is 242202246413. The next prime is 242202246497. The reversal of 242202246440 is 44642202242.

It is a junction number, because it is equal to n+sod(n) for n = 242202246397 and 242202246406.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 39315467 + ... + 39321626.

It is an arithmetic number, because the mean of its divisors is an integer number (10616007690).

Almost surely, 2^242202246440 is an apocalyptic number.

242202246440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242202246440 is an abundant number, since it is smaller than the sum of its proper divisors (437222245720).

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

242202246440 is a wasteful number, since it uses less digits than its factorization.

242202246440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78637122 (or 78637118 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 242202246440 its reverse (44642202242), we get a palindrome (286844448682).

The spelling of 242202246440 in words is "two hundred forty-two billion, two hundred two million, two hundred forty-six thousand, four hundred forty".