2444222442440 has 64 divisors (see below), whose sum is σ = 5705721077760. Its totient is φ = 941347733760.

The previous prime is 2444222442439. The next prime is 2444222442451. The reversal of 2444222442440 is 442442224442.

It is a super-2 number, since 2×2444222442440² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2444222442394 and 2444222442403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4758632 + ... + 5247191.

It is an arithmetic number, because the mean of its divisors is an integer number (89151891840).

Almost surely, 2^{2444222442440} is an apocalyptic number.

2444222442440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444222442440 is an abundant number, since it is smaller than the sum of its proper divisors (3261498635320).

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

2444222442440 is a wasteful number, since it uses less digits than its factorization.

2444222442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006062 (or 10006058 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 2444222442440 its reverse (442442224442), we get a palindrome (2886664666882).

It can be divided in two parts, 244422 and 2442440, that added together give a palindrome (2686862).

The spelling of 2444222442440 in words is "two trillion, four hundred forty-four billion, two hundred twenty-two million, four hundred forty-two thousand, four hundred forty".