242022664440 has 96 divisors (see below), whose sum is σ = 832842719280. Its totient is φ = 60742941696.

The previous prime is 242022664421. The next prime is 242022664493. The reversal of 242022664440 is 44466220242.

242022664440 is a `hidden beast` number, since 2 + 4 + 2 + 0 + 2 + 2 + 6 + 644 + 4 + 0 = 666.

242022664440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 242022664395 and 242022664404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19766974 + ... + 19779213.

Almost surely, 2^242022664440 is an apocalyptic number.

242022664440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242022664440 is an abundant number, since it is smaller than the sum of its proper divisors (590820054840).

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

242022664440 is a wasteful number, since it uses less digits than its factorization.

242022664440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39546221 (or 39546214 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 242022664440 its reverse (44466220242), we get a palindrome (286488884682).

The spelling of 242022664440 in words is "two hundred forty-two billion, twenty-two million, six hundred sixty-four thousand, four hundred forty".