4242222404440 has 32 divisors (see below), whose sum is σ = 9546672260160. Its totient is φ = 1696591744000.

The previous prime is 4242222404419. The next prime is 4242222404449. The reversal of 4242222404440 is 444042222424.

It is a junction number, because it is equal to n+sod(n) for n = 4242222404396 and 4242222404405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242222404449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9056761 + ... + 9513640.

It is an arithmetic number, because the mean of its divisors is an integer number (298333508130).

Almost surely, 2^{4242222404440} is an apocalyptic number.

4242222404440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4242222404440 is an abundant number, since it is smaller than the sum of its proper divisors (5304449855720).

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

4242222404440 is a wasteful number, since it uses less digits than its factorization.

4242222404440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18576123 (or 18576119 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 4242222404440 its reverse (444042222424), we get a palindrome (4686264626864).

The spelling of 4242222404440 in words is "four trillion, two hundred forty-two billion, two hundred twenty-two million, four hundred four thousand, four hundred forty".